smtps.dk
Last scanned: 2026-08-30 09:55:53  ·  4321ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers5 records   109ms
NameserverIP addressesPTRASN / ISP
castor.return-path.dk 172.104.156.177
2a01:7e01::f03c:95ff:fe6d:bfc2		 relay.return-path.dk
relay.return-path.dk		 AS63949 Akamai Connected Cloud
AS63949 Akamai Connected Cloud
hermes.return-path.dk 2a05:f6c7:7613:0:11:32ff:fe25:7642
89.150.133.221		 —
return-path.dk		 AS203953 Hiper A/S
AS203953 Hiper A/S
mx1.return-path.dk 172.104.156.177
2a01:7e01::f03c:95ff:fe6d:bfc2		 relay.return-path.dk
relay.return-path.dk		 AS63949 Akamai Connected Cloud
AS63949 Akamai Connected Cloud
mx2.return-path.dk 172.232.159.193
2600:3c09::f03c:95ff:fe7b:8d2e		 relay.return-path.dk
relay.return-path.dk		 AS63949 Akamai Connected Cloud
AS63949 Akamai Connected Cloud
pollux.return-path.dk 172.232.159.193
2600:3c09::f03c:95ff:fe7b:8d2e		 relay.return-path.dk
relay.return-path.dk		 AS63949 Akamai Connected Cloud
AS63949 Akamai Connected Cloud
🌍 A Records1 records   87ms
IPTTLPTRASNISP / OrgCIDRCountryCity
89.150.133.221 3600s return-path.dk AS203953 Hiper A/S 89.150.128.0/18 🇩🇰 Denmark —
📧 MX Records2 records   84ms
PriorityTTLMail ServerIP addressesPTRASN
10 3600s hermes.return-path.dk 2a05:f6c7:7613:0:11:32ff:fe25:7642
89.150.133.221		 —
return-path.dk		 AS203953 Hiper A/S
AS203953 Hiper A/S
20 3600s relay.return-path.dk 172.104.156.177
172.232.159.193
2600:3c09::f03c:95ff:fe7b:8d2e
2a01:7e01::f03c:95ff:fe6d:bfc2		 relay.return-path.dk
relay.return-path.dk
relay.return-path.dk
relay.return-path.dk		 AS63949 Akamai Connected Cloud
AS63949 Akamai Connected Cloud
AS63949 Akamai Connected Cloud
AS63949 Akamai Connected Cloud
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscover89.150.133.221
🔶 Autoconfig89.150.133.221
🔷 AAAA Records (IPv6)1 records   92ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2a05:f6c7:7613:0:11:32ff:fe25:7642 3600s — AS203953 Hiper A/S 2a05:f6c0:0:0:0:0:0:0/29 🇩🇰 Denmark Copenhagen
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   375ms
TXT Record
v=spf1 mx -all
✉️ SPF
PolicyRecord (smtps.dk)
-all (hard fail) v=spf1 mx -all
📨 DMARC
PolicyRecord (_dmarc.smtps.dk)
p=reject v=DMARC1; p=reject; sp=reject; pct=100; rua=mailto:dmarcreports@return-path.dk; ri=86400; adkim=s; aspf=s
📬 MTA-STS379ms
CheckResult
Status🔒 Enforce
TXT record (_mta-sts)✓ Found
HTTPS policy✓ Valid
Modeenforce
Policy ID20260506
max_age604800s
Policy MXhermes.return-path.dk, relay.return-path.dk
📈 TLSRPT
StatusReport address (rua)
✓ Enabled mailto:tlsreports@return-path.dk
📜 CAA Records
✗ No CAA records — any CA may issue certificates
🔗 TLSA / DANE4 records   1512ms
Service / OwnerTypeCert association
SMTP _25._tcp.hermes.return-path.dk DANE-TA · SPKI · SHA-256 B0292AE545978E0FBB98ABBD94C86160…
SMTP _25._tcp.hermes.return-path.dk DANE-EE · SPKI · SHA-256 123ED51C29D9757F88FFD1B2971F66AC…
SMTP _25._tcp.relay.return-path.dk DANE-TA · SPKI · SHA-256 B0292AE545978E0FBB98ABBD94C86160…
SMTP _25._tcp.relay.return-path.dk DANE-EE · SPKI · SHA-256 CAED696B0D29E864AB79B0686AB0D121…
🔐 DNSSEC251ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026082014
Primary NS (MNAME)hermes.return-path.dk
Responsible (RNAME)hostmaster@return-path.dk
Refresh3600s
Retry7200s
Expire604800s
Minimum (neg-cache TTL)600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
109ms
A
87ms
MX
84ms
AAAA
92ms
TXT
375ms
CAA
104ms
HTTPS
93ms
TLSA
1512ms
SOA
0ms
MTA-STS
379ms
DNSSEC
251ms
SRV
144ms
Total
4321ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-30 09:55:53 4321ms 5 NS 1 A 2 MX 🔒 Secure View
2026-08-29 02:04:12 1138ms 5 NS 1 A 2 MX 🔒 Secure View
2026-08-27 01:04:03 1900ms 5 NS 1 A 2 MX 🔒 Secure View
2026-08-26 00:39:21 1365ms 5 NS 1 A 2 MX 🔒 Secure View
2026-08-22 17:06:54 6026ms 5 NS 1 A 2 MX 🔒 Secure View
2026-08-20 16:49:53 2607ms 5 NS 1 A 2 MX 🔒 Secure View
2026-08-19 05:31:43 4769ms 5 NS 1 A 2 MX 🔒 Secure View
2026-08-15 18:54:55 2999ms 5 NS 1 A 2 MX 🔒 Secure View
2026-08-13 10:55:56 3870ms 5 NS 1 A 2 MX 🔒 Secure View
2026-08-12 08:11:10 4350ms 3 NS 1 A 2 MX 🔒 Secure View
2026-08-09 11:56:39 1188ms 3 NS 1 A 2 MX 🔒 Secure View
2026-08-07 07:48:06 1241ms 3 NS 1 A 2 MX 🔒 Secure View
2026-07-31 02:56:06 34859ms 3 NS 1 A 0 MX 🔒 Secure View
2026-07-29 13:09:29 7057ms 3 NS 0 A 0 MX ⚠️ Bogus View
2026-07-28 03:32:41 7707ms 3 NS 0 A 0 MX ⚠️ Bogus View
2026-07-27 03:05:42 20414ms 3 NS 0 A 0 MX ⚠️ Bogus View
2026-07-26 02:46:19 14980ms 3 NS 0 A 0 MX ⚠️ Bogus View
2026-07-25 02:26:40 27878ms 3 NS 0 A 0 MX ⚠️ Bogus View
2026-07-23 22:55:40 16226ms 3 NS 0 A 0 MX ⚠️ Bogus View
2026-07-22 22:00:27 31069ms 3 NS 0 A 0 MX ⚠️ Bogus View
2026-07-15 10:52:27 1649ms 3 NS 1 A 2 MX 🔒 Secure View
2026-07-12 20:59:29 1792ms 3 NS 1 A 2 MX 🔒 Secure View
2026-07-11 04:13:56 3061ms 3 NS 1 A 2 MX 🔒 Secure View
2026-07-08 18:34:17 3154ms 3 NS 1 A 2 MX 🔒 Secure View
2026-07-04 18:42:55 2749ms 3 NS 1 A 2 MX 🔒 Secure View
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