30
records
IPv4 Addresses
TTL
5m
5m
gbcorp.tech. 300 IN A 104.21.42.199 gbcorp.tech. 300 IN A 172.67.165.145
IPv6 Addresses
TTL
gbcorp.tech. 300 IN AAAA 2606:4700:3032:0:0:0:6815:2AC7 gbcorp.tech. 300 IN AAAA 2606:4700:3037:0:0:0:AC43:A591
Name Servers
TTL
gbcorp.tech. 1200 IN NS lina.ns.cloudflare.com. gbcorp.tech. 1200 IN NS lou.ns.cloudflare.com.
Mail Servers
TTL
5m
5m
5m
gbcorp.tech. 300 IN MX 50 route2.mx.cloudflare.net. gbcorp.tech. 300 IN MX 66 route3.mx.cloudflare.net. gbcorp.tech. 300 IN MX 90 route1.mx.cloudflare.net.
SOA Details
TTL
20m
SOA
Responsible
dns.cloudflare.com
SOA
Serial
2412479017
SOA
Times
Refresh
2h
Retry
40m
Expire
7d
Minimum TTL
30m
gbcorp.tech. 1200 IN SOA lina.ns.cloudflare.com. dns.cloudflare.com. 2412479017 10000 2400 604800 1800
Certificate Authority Authorization
TTL
CAA
—
5m
5m
5m
5m
5m
CAA
—
0
issuewild
;
5m
5m
5m
5m
5m
gbcorp.tech. 300 IN CAA 0 iodef "mailto:[email protected]" gbcorp.tech. 300 IN CAA 0 issue "comodoca.com" gbcorp.tech. 300 IN CAA 0 issue "digicert.com; cansignhttpexchanges=yes" gbcorp.tech. 300 IN CAA 0 issue "letsencrypt.org" gbcorp.tech. 300 IN CAA 0 issue "pki.goog; cansignhttpexchanges=yes" gbcorp.tech. 300 IN CAA 0 issue "ssl.com" gbcorp.tech. 300 IN CAA 0 issuewild ";" gbcorp.tech. 300 IN CAA 0 issuewild "comodoca.com" gbcorp.tech. 300 IN CAA 0 issuewild "digicert.com; cansignhttpexchanges=yes" gbcorp.tech. 300 IN CAA 0 issuewild "letsencrypt.org" gbcorp.tech. 300 IN CAA 0 issuewild "pki.goog; cansignhttpexchanges=yes" gbcorp.tech. 300 IN CAA 0 issuewild "ssl.com"
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
Subdomain Policy
Subdomain policy (sp): when set, it applies to hostnames below this domain instead of p; if omitted, subdomains inherit the organizational policy.
none
quarantine
reject
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).
gbcorp.tech. 300 IN DMARC v=DMARC1; p=reject; sp=reject; adkim=s; aspf=s; pct=100; rua=mailto:[email protected]; fo=1
DKIM
TTL
No DKIM TXT with `v=DKIM1` was returned for the selector names we probe automatically.
SPF (Sender Policy Framework)
TTL
SPF
SPFv1
| Qualifier | Mechanism | Target / value | Valid | Details |
|---|---|---|---|---|
| + Pass | include |
|
||
| ~ Softfail | all |
—
|
|
5m
gbcorp.tech. 300 IN TXT "v=spf1 include:_spf.mx.cloudflare.net ~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
google-site-verification=rJpCETX12S6fFf6z8BM0g-9JfWAGJwYyAxiIZ0OmRWc
5m
TXT
—
hosting-site=gbcorp-tech
5m
gbcorp.tech. 300 IN TXT "google-site-verification=rJpCETX12S6fFf6z8BM0g-9JfWAGJwYyAxiIZ0OmRWc" gbcorp.tech. 300 IN TXT "hosting-site=gbcorp-tech"
DNSSEC Public Keys
TTL
DNSKEY
257 3 13 mdsswUyr3DPW132mOi8V9xESWE8jTo0dxCjjnopKl+GqJxpVXckHAeF+KkxLbxILfDLUT0rAK9iUzy1L53eKGQ==
20m
DNSKEY
256 3 13 oJMRESz5E4gYzS/q6XDrvU1qMPYIjCWzJaOau8XNEZeqCYKD5ar0IRd8KqXXFJkqmVfRvMGPmM1x8fGAa2XhSA==
20m
gbcorp.tech. 1200 IN DNSKEY 257 3 13 mdsswUyr3DPW132mOi8V9xESWE8jTo0dxCjjnopKl+GqJxpVXckHAeF+KkxLbxILfDLUT0rAK9iUzy1L53eKGQ== gbcorp.tech. 1200 IN DNSKEY 256 3 13 oJMRESz5E4gYzS/q6XDrvU1qMPYIjCWzJaOau8XNEZeqCYKD5ar0IRd8KqXXFJkqmVfRvMGPmM1x8fGAa2XhSA==
Delegation Signer
TTL
DS
2371 13 2 C719F1B896DEA106043058A5C943FA0BCFE04E7450CC747C888F26BAE622AD92
15m
gbcorp.tech. 900 IN DS 2371 13 2 C719F1B896DEA106043058A5C943FA0BCFE04E7450CC747C888F26BAE622AD92
DNSSEC Next Secure
TTL
NSEC
.gbcorp.tech ["TYPE65", "TYPE64", "TYPE61", "TYPE60", "TYPE59", "TYPE55", "TYPE53", "TYPE52", "DNSKEY", "NSEC", "RRSIG", "TYPE44", "TYPE37", "TYPE35", "SRV", "TYPE29", "AAAA", "TXT", "MX", "TYPE13", "PTR", "SOA", "NS", "A", "CAA", "TYPE256"]
20m
gbcorp.tech. 1200 IN NSEC .gbcorp.tech ["TYPE65", "TYPE64", "TYPE61", "TYPE60", "TYPE59", "TYPE55", "TYPE53", "TYPE52", "DNSKEY", "NSEC", "RRSIG", "TYPE44", "TYPE37", "TYPE35", "SRV", "TYPE29", "AAAA", "TXT", "MX", "TYPE13", "PTR", "SOA", "NS", "A", "CAA", "TYPE256"]