32
records
IPv4 Addresses
TTL
blockchain.com. 300 IN A 104.17.172.30 blockchain.com. 300 IN A 104.17.173.30
Name Servers
TTL
blockchain.com. 1200 IN NS beth.ns.cloudflare.com. blockchain.com. 1200 IN NS jay.ns.cloudflare.com.
Mail Servers
TTL
20m
20m
20m
20m
20m
blockchain.com. 1200 IN MX 1 aspmx.l.google.com. blockchain.com. 1200 IN MX 5 alt1.aspmx.l.google.com. blockchain.com. 1200 IN MX 5 alt2.aspmx.l.google.com. blockchain.com. 1200 IN MX 10 alt3.aspmx.l.google.com. blockchain.com. 1200 IN MX 10 alt4.aspmx.l.google.com.
SOA Details
TTL
20m
SOA
Responsible
dns.cloudflare.com
SOA
Serial
2402797430
SOA
Times
Refresh
2h
Retry
40m
Expire
7d
Minimum TTL
30m
blockchain.com. 1200 IN SOA beth.ns.cloudflare.com. dns.cloudflare.com. 2402797430 10000 2400 604800 1800
Certificate Authority Authorization
TTL
No CAA records were returned at this registrable domain name. With no CAA policy, any public certificate authority (CA) may issue TLS certificates for names under this zone unless a parent publishes CAA; add issue / issuewild / iodef records to restrict issuance.
DMARC
TTL
DMARC
Policy
Organizational policy (p): how receivers treat mail that fails aligned DMARC checks — none (monitor only), quarantine (often junk), or reject (block).
none
quarantine
reject
5m
DMARC
Percentage
pct: share of mail that gets quarantine/reject; 100 = all failing messages (default).
100
DMARC
RUA
mailto:[email protected]
Aggregate DMARC reports (ZIP/XML). Optional but recommended for visibility.
DMARC
RUF
Forensic (per-failure) reports. Often omitted for privacy or volume.
No forensic report URIs (RUF).
blockchain.com. 300 IN DMARC v=DMARC1; p=quarantine; pct=100; rua=mailto:[email protected];
DKIM
TTL
DKIM
Selector
google
v=DKIM1
k=rsa
5m
Public Key
MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCXkmRSdrjXRULILSq/...
MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCXkmRSdrjXRULILSq/G0jpo5OoqNgUrbYvYb/9zBvV10YUGWramLuahTz7Zq6eLJtGPA0KThaptAdVo6Rk222mDyZCYWKZTtJEmbwJcS/PwoRVp3p3Kc/MFeG/OUeKmc04DoeVrhePj/VIvFZB1ECgmlJ5DltUlus1n4G/2xa9RwIDAQAB
blockchain.com. 300 IN DKIM v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCXkmRSdrjXRULILSq/G0jpo5OoqNgUrbYvYb/9zBvV10YUGWramLuahTz7Zq6eLJtGPA0KThaptAdVo6Rk222mDyZCYWKZTtJEmbwJcS/PwoRVp3p3Kc/MFeG/OUeKmc04DoeVrhePj/VIvFZB1ECgmlJ5DltUlus1n4G/2xa9RwIDAQAB
SPF (Sender Policy Framework)
TTL
SPF
SPFv1
| Qualifier | Mechanism | Target / value | Valid | Details |
|---|---|---|---|---|
| + Pass | include |
|
||
| + Pass | include |
|
||
| + Pass | include |
|
||
| + Pass | include |
|
||
| - Fail | all |
—
|
|
5m
blockchain.com. 300 IN TXT "v=spf1 include:sendgrid.net include:_spf.google.com include:mail.zendesk.com include:_spf.sparkpostmail.com -all"
MTA-STS
TTL
This hostname does not publish an MTA-STS policy (no v=STSv1 TXT at _mta-sts.<name> and/or no policy at https://mta-sts.<name>/.well-known/mta-sts.txt).
Text Content
TTL
MS=150421F564D39B22149A3F2E6E874413D0D4836F
5m
MS=ms61322212
5m
OSSRH-58722
5m
anthropic-domain-verification-0w6gyp=zwHjPHf7RURYDef1PaQSMROtB
5m
apple-domain-verification=m90cSpCL7VE0zDvo
5m
atlassian-domain-verification=3Nau9JDz9R67dqvzkIEpQsriloeNPy4vI/eh5acyDnEsG255ANV5Qyed2nE0WK/o
5m
docusign=2707bdc5-ce07-4b5c-85d6-622c728ede8a
5m
google-site-verification=Bs2i_i9ZGs4Xo4Rjh4GHqNglIZEY7Im-Vvp4QDRfwHo
5m
notion-domain-verification=lQGUrwdKWe04PuLDcRG5idcidJLOi29pJmPniJUhKMN
5m
openai-domain-verification=dv-RwBr61oCEqK8toOpQTVpxuzK
5m
segment-site-verification=aWKh9paGnJTlTgOFWdN1BiCiD3GTYobl
5m
stripe-verification=69E3ACD21AEF8B8244BAC9464BB2856F14C4B3998D4808E5328B51940A194FB4
5m
wallet-connect-dns-verification=e082715301de4a99085914d51b7d616b1260868f6b93e47e8e8bf8108ec746c6
5m
TXT
—
CKO=cli_qfirt6xy4yiundv3a2jpeyvhaq
5m
TXT
—
FIO82JrXaaVmRsuJrm5yD4iim5fuarfNYYCP9bcZrL7gfRCtTzRun
5m
blockchain.com. 300 IN TXT "MS=150421F564D39B22149A3F2E6E874413D0D4836F" blockchain.com. 300 IN TXT "MS=ms61322212" blockchain.com. 300 IN TXT "OSSRH-58722" blockchain.com. 300 IN TXT "anthropic-domain-verification-0w6gyp=zwHjPHf7RURYDef1PaQSMROtB" blockchain.com. 300 IN TXT "apple-domain-verification=m90cSpCL7VE0zDvo" blockchain.com. 300 IN TXT "atlassian-domain-verification=3Nau9JDz9R67dqvzkIEpQsriloeNPy4vI/eh5acyDnEsG255ANV5Qyed2nE0WK/o" blockchain.com. 300 IN TXT "docusign=2707bdc5-ce07-4b5c-85d6-622c728ede8a" blockchain.com. 300 IN TXT "google-site-verification=Bs2i_i9ZGs4Xo4Rjh4GHqNglIZEY7Im-Vvp4QDRfwHo" blockchain.com. 300 IN TXT "notion-domain-verification=lQGUrwdKWe04PuLDcRG5idcidJLOi29pJmPniJUhKMN" blockchain.com. 300 IN TXT "openai-domain-verification=dv-RwBr61oCEqK8toOpQTVpxuzK" blockchain.com. 300 IN TXT "segment-site-verification=aWKh9paGnJTlTgOFWdN1BiCiD3GTYobl" blockchain.com. 300 IN TXT "stripe-verification=69E3ACD21AEF8B8244BAC9464BB2856F14C4B3998D4808E5328B51940A194FB4" blockchain.com. 300 IN TXT "wallet-connect-dns-verification=e082715301de4a99085914d51b7d616b1260868f6b93e47e8e8bf8108ec746c6" blockchain.com. 300 IN TXT "CKO=cli_qfirt6xy4yiundv3a2jpeyvhaq" blockchain.com. 300 IN TXT "FIO82JrXaaVmRsuJrm5yD4iim5fuarfNYYCP9bcZrL7gfRCtTzRun"
DNSSEC Public Keys
TTL
DNSKEY
256 3 13 oJMRESz5E4gYzS/q6XDrvU1qMPYIjCWzJaOau8XNEZeqCYKD5ar0IRd8KqXXFJkqmVfRvMGPmM1x8fGAa2XhSA==
20m
DNSKEY
257 3 13 mdsswUyr3DPW132mOi8V9xESWE8jTo0dxCjjnopKl+GqJxpVXckHAeF+KkxLbxILfDLUT0rAK9iUzy1L53eKGQ==
20m
blockchain.com. 1200 IN DNSKEY 256 3 13 oJMRESz5E4gYzS/q6XDrvU1qMPYIjCWzJaOau8XNEZeqCYKD5ar0IRd8KqXXFJkqmVfRvMGPmM1x8fGAa2XhSA== blockchain.com. 1200 IN DNSKEY 257 3 13 mdsswUyr3DPW132mOi8V9xESWE8jTo0dxCjjnopKl+GqJxpVXckHAeF+KkxLbxILfDLUT0rAK9iUzy1L53eKGQ==
Delegation Signer
TTL
DS
2371 13 2 5B20CB9B2FF390DF5F466F8FE3DC5CA0DA99CC89E58DC19286C906DC2BC8612C
20m
blockchain.com. 1200 IN DS 2371 13 2 5B20CB9B2FF390DF5F466F8FE3DC5CA0DA99CC89E58DC19286C906DC2BC8612C
DNSSEC Next Secure
TTL
NSEC
.blockchain.com ["TYPE65", "TYPE64", "TYPE61", "TYPE60", "TYPE59", "TYPE55", "TYPE53", "TYPE52", "DNSKEY", "NSEC", "RRSIG", "TYPE44", "TYPE37", "TYPE35", "SRV", "TYPE29", "AAAA", "TXT", "MX", "TYPE13", "SOA", "NS", "A", "CAA", "TYPE256"]
20m
blockchain.com. 1200 IN NSEC .blockchain.com ["TYPE65", "TYPE64", "TYPE61", "TYPE60", "TYPE59", "TYPE55", "TYPE53", "TYPE52", "DNSKEY", "NSEC", "RRSIG", "TYPE44", "TYPE37", "TYPE35", "SRV", "TYPE29", "AAAA", "TXT", "MX", "TYPE13", "SOA", "NS", "A", "CAA", "TYPE256"]