smtps.dk

📜 Historical scan 2026-08-20 16:49:53 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

smtps.dk is a .dk domain served by 5 nameservers (castor.return-path.dk, hermes.return-path.dk, mx1.return-path.dk and 2 more). 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 hermes.return-path.dk, 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#

5 records 109ms

Nameserver	IP addresses	PTR	ASN / 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 Records#

1 records 100ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
89.150.133.221	3600s	return-path.dk	AS203953	Hiper A/S	89.150.128.0/18	🇩🇰 Denmark	—

📧 MX Records#

2 records 98ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
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#

Service	CNAME / IP
🔷 Autodiscover	89.150.133.221
🔶 Autoconfig	89.150.133.221

🔷 AAAA Records (IPv6)#

1 records 121ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
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 361ms

TXT Record
v=spf1 mx -all

✉️ SPF#

Policy	Record (smtps.dk)
-all (hard fail)	v=spf1 mx -all

📨 DMARC#

Policy	Record (_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-STS#

305ms

Check	Result
Status	🔒 Enforce
TXT record (_mta-sts)	✓ Found
HTTPS policy	✓ Valid
Mode	enforce
Policy ID	20260506
max_age	604800s
Policy MX	hermes.return-path.dk, relay.return-path.dk

📈 TLSRPT#

Status	Report address (rua)
✓ Enabled	mailto:tlsreports@return-path.dk

📜 CAA Records#

✗ No CAA records — any CA may issue certificates

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-15 06:17:21

www CNAME	smtps.dk (all on smtps.dk) → 89.150.133.221 2a05:f6c7:7613:0:11:32ff:fe25:7642 (AS203953)
www vs bare domain	Same network smtps.dk: 89.150.133.221 2a05:f6c7:7613:0:11:32ff:fe25:7642 (AS203953) www.smtps.dk: 89.150.133.221 2a05:f6c7:7613:0:11:32ff:fe25:7642 (AS203953)
Wildcard	Yes: any name under the zone resolves
Denial of existence	NSEC zone can be walked (all names enumerable)
CDS / CDNSKEY	Published: 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#

4 records 145ms

Service / Owner	Type	Cert 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…

🔐 DNSSEC#

197ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

0ms

Field	Value
Serial	2026082001
Primary NS (MNAME)	hermes.return-path.dk
Responsible (RNAME)	hostmaster@return-path.dk
Refresh	3600s
Retry	7200s
Expire	604800s
Minimum (neg-cache TTL)	600s

📋 Registration#

WHOIS fetched 2026-10-13 04:26:38

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2022-12-27
Expires	2026-12-26 (70d)

🔗 Same registrant#

10 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).

Domain	Registrar
cirkusprinsessen.dk	Simply.com A/S
dotm.dk	Punktum dk A/S (direct)
dr3v3s.dk	Punktum dk A/S (direct)
dreves.dk	Punktum dk A/S (direct)
hammermolle.dk	Simply.com A/S
infiniteme.dk	Punktum dk A/S (direct)
praxis-flow.dk	Punktum dk A/S (direct)
slashroot.dk	Punktum dk A/S (direct)
therealm.dk	Simply.com A/S
tickler.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

109ms

100ms

98ms

AAAA

121ms

TXT

361ms

CAA

96ms

HTTPS

91ms

TLSA

145ms

SOA

0ms

MTA-STS

305ms

DNSSEC

197ms

SRV

196ms

Total

2607ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
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
2026-08-30 09:55:53	4321ms	5 NS 1 A 2 MX	🔒 Secure
2026-08-29 02:04:12	1138ms	5 NS 1 A 2 MX	🔒 Secure
2026-08-27 01:04:03	1900ms	5 NS 1 A 2 MX	🔒 Secure
2026-08-26 00:39:21	1365ms	5 NS 1 A 2 MX	🔒 Secure
2026-08-22 17:06:54	6026ms	5 NS 1 A 2 MX	🔒 Secure
2026-08-20 16:49:53 shown	2607ms	5 NS 1 A 2 MX	🔒 Secure