IPv4 Addresses
duotrope.com. 300 IN A 172.66.40.225 duotrope.com. 300 IN A 172.66.43.31
IPv6 Addresses
duotrope.com. 300 IN AAAA 2606:4700:3108:0:0:0:AC42:28E1 duotrope.com. 300 IN AAAA 2606:4700:3108:0:0:0:AC42:2B1F
Name Servers
duotrope.com. 1200 IN NS dawn.ns.cloudflare.com. duotrope.com. 1200 IN NS dion.ns.cloudflare.com.
Mail Servers
duotrope.com. 300 IN MX 10 mx1.emailsrvr.com. duotrope.com. 300 IN MX 20 mx2.emailsrvr.com.
SOA Details
duotrope.com. 1200 IN SOA dawn.ns.cloudflare.com. dns.cloudflare.com. 2402981023 10000 2400 604800 1800
Certificate Authority Authorization
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
Organizational policy (p): how receivers treat mail that fails aligned DMARC checks — none (monitor only), quarantine (often junk), or reject (block).
pct: share of mail that gets quarantine/reject; 100 = all failing messages (default).
100Aggregate DMARC reports (ZIP/XML). Optional but recommended for visibility.
Forensic (per-failure) reports. Often omitted for privacy or volume.
duotrope.com. 300 IN DMARC v=DMARC1; p=quarantine; rua=mailto:[email protected],mailto:[email protected]
DKIM
No DKIM TXT with `v=DKIM1` was returned for the selector names we probe automatically.
SPF (Sender Policy Framework)
| Qualifier | Mechanism | Target / value | Valid | Details |
|---|---|---|---|---|
| + Pass | include |
|
||
| ~ Softfail | all |
—
|
|
duotrope.com. 300 IN TXT "v=spf1 include:emailsrvr.com ~all"
MTA-STS
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
duotrope.com. 300 IN TXT "MS=ms48259426" duotrope.com. 300 IN TXT "MS=ms87743279" duotrope.com. 300 IN TXT "globalsign-domain-verification=MXZt4Q1xijtFXDXooSf5kq-QxR7H3I1phVyV01WzVl" duotrope.com. 300 IN TXT "google-site-verification=P0_qhN9qu9ltsHJMWESN4mEr2xvDSQ0ezuew0PB9eMo" duotrope.com. 300 IN TXT "google-site-verification=hWbXZJL6h-_rLuCl9_8J4lt5tz6xzMzTPOX5ggZdG5s"
DNSSEC Public Keys
duotrope.com. 1200 IN DNSKEY 257 3 13 mdsswUyr3DPW132mOi8V9xESWE8jTo0dxCjjnopKl+GqJxpVXckHAeF+KkxLbxILfDLUT0rAK9iUzy1L53eKGQ== duotrope.com. 1200 IN DNSKEY 256 3 13 oJMRESz5E4gYzS/q6XDrvU1qMPYIjCWzJaOau8XNEZeqCYKD5ar0IRd8KqXXFJkqmVfRvMGPmM1x8fGAa2XhSA==
Delegation Signer
duotrope.com. 1200 IN DS 2371 13 2 7C58DA58BC12A1536D9D680814AC3118E76D7AC42075D6AB26C6B3A476B9A6EE
DNSSEC Next Secure
duotrope.com. 1200 IN NSEC .duotrope.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"]