smtps.dk

📜 Historical scan 2026-10-20 12:28:47  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

smtps.dk is a .dk domain served by 3 nameservers (castor.xs4none.net, iris.xs4none.net, sinon.xs4none.net). It was registered on 27 December 2022 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 89.150.133.221 is hosted by Hiper A/S (AS203953) in Denmark. Mail is handled by relay.return-path.dk. The zone is DNSSEC-signed and validates, publishes a DMARC policy and is reachable over IPv6. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

3 records   90ms
NameserverIP addressesPTRASN / ISP
castor.xs4none.net 172.104.156.177
2a01:7e01:e001:9f2::		 relay.return-path.dk
relay.return-path.dk		 AS63949 Akamai Connected Cloud
AS63949 Akamai Connected Cloud
iris.xs4none.net 172.239.15.24
2600:3c1a:e001:23::		 relay.return-path.dk
relay.return-path.dk		 AS63949 Akamai Connected Cloud
AS63949 Akamai Connected Cloud
sinon.xs4none.net 172.237.121.202
2600:3c13:e001:da::		 relay.return-path.dk
relay.return-path.dk		 AS63949 Akamai Connected Cloud
AS63949 Akamai Connected Cloud

🌍 A Records#

1 records   128ms
IPTTLPTRASNISP / OrgCIDRCountryCity
89.150.133.221 3600s return-path.dk AS203953 Hiper A/S 89.150.128.0/18 🇩🇰 Denmark —

📧 MX Records#

1 records   95ms
PriorityTTLMail ServerIP addressesPTRASN
20 3600s relay.return-path.dk 172.104.156.177
172.237.121.202
172.239.15.24
2600:3c13:e001:da::
2600:3c1a:e001:23::
2a01:7e01:e001:9f2::		 relay.return-path.dk
relay.return-path.dk
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
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   140ms
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 Records#

1 records   419ms
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; psd=n; rua=mailto:dmarcreports@return-path.dk; adkim=s; aspf=s

📬 MTA-STS#

428ms
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#

3 records   147ms
FlagsTagValue
0 iodef mailto:hostmaster@return-path.dk
0 issue letsencrypt.org
0 issuewild ;

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-24 18:31:53
www CNAMEsmtps.dk (all on smtps.dk)
www vs bare domainSame network
WildcardYes: any name under the zone resolves
Denial of existenceNSEC zone can be walked (all names enumerable)
CDS / CDNSKEYPublished: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

2 records   574ms
Service / OwnerTypeCert association
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…

🔐 DNSSEC#

276ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

87ms
FieldValue
Serial2026091644
Primary NS (MNAME)hermes.return-path.dk
Responsible (RNAME)hostmaster@return-path.dk
Refresh3600s
Retry7200s
Expire604800s
Minimum (neg-cache TTL)600s

📋 Registration#

WHOIS fetched 2026-10-20 12:42:56
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2022-12-27
Expires2026-12-26 (59d)

🔗 Same registrant#

12 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

DomainRegistrar
cirkusprinsessen.dkSimply.com A/S
dotm.dkPunktum dk A/S (direct)
dr3v3s.dkPunktum dk A/S (direct)
dreves.dkPunktum dk A/S (direct)
familienlinee.dkSimply.com A/S
hammermolle.dkSimply.com A/S
infiniteme.dkPunktum dk A/S (direct)
praxis-flow.dkPunktum dk A/S (direct)
return-path.dkSimply.com A/S
slashroot.dkPunktum dk A/S (direct)
therealm.dkSimply.com A/S
tickler.dkPunktum dk A/S (direct)
📋 WHOIS#

⏱️ Lookup Timing#

NS
90ms
A
128ms
MX
95ms
AAAA
140ms
TXT
419ms
CAA
147ms
HTTPS
162ms
TLSA
574ms
SOA
87ms
MTA-STS
428ms
DNSSEC
276ms
SRV
216ms
Total
2459ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-24 18:31:53 969ms 3 NS 1 A 1 MX 🔒 Secure
2026-10-22 16:55:54 2833ms 3 NS 1 A 1 MX 🔒 Secure
2026-10-21 13:08:45 944ms 3 NS 1 A 1 MX 🔒 Secure
2026-10-20 12:28:47 shown 2459ms 3 NS 1 A 1 MX 🔒 Secure
2026-10-18 10:15:23 979ms 3 NS 1 A 1 MX 🔒 Secure
2026-10-17 10:10:53 2933ms 3 NS 1 A 1 MX 🔒 Secure
2026-10-15 06:17:21 2181ms 3 NS 1 A 1 MX 🔒 Secure
2026-10-14 04:52:55 2579ms 3 NS 1 A 1 MX 🔒 Secure
2026-10-13 04:08:51 1261ms 3 NS 1 A 1 MX 🔒 Secure
2026-10-10 21:25:23 4046ms 3 NS 1 A 1 MX 🔒 Secure
2026-10-09 19:56:53 1444ms 3 NS 1 A 1 MX 🔒 Secure
2026-10-07 18:26:13 1991ms 3 NS 1 A 1 MX 🔒 Secure
2026-10-06 18:20:37 2537ms 3 NS 1 A 1 MX 🔒 Secure
2026-10-04 17:14:05 3116ms 3 NS 1 A 1 MX 🔒 Secure
2026-10-03 17:09:01 1271ms 3 NS 1 A 1 MX 🔒 Secure
2026-10-01 17:04:51 5340ms 3 NS 1 A 1 MX 🔒 Secure
2026-09-30 16:46:25 2552ms 3 NS 1 A 1 MX 🔒 Secure
2026-09-29 16:36:51 2306ms 3 NS 1 A 1 MX 🔒 Secure
2026-09-27 16:20:32 1223ms 3 NS 1 A 1 MX 🔒 Secure
2026-09-26 16:03:33 3208ms 3 NS 1 A 1 MX 🔒 Secure
2026-09-24 15:47:55 1823ms 3 NS 1 A 1 MX 🔒 Secure
2026-09-23 15:11:38 1348ms 3 NS 1 A 1 MX 🔒 Secure
2026-09-17 01:34:50 1524ms 3 NS 1 A 1 MX 🔒 Secure
2026-09-10 23:18:40 1897ms 3 NS 1 A 1 MX 🔒 Secure
2026-09-03 23:40:45 1257ms 5 NS 1 A 2 MX 🔒 Secure
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