smtp-relay.dk

📜 Historical scan 2026-10-01 08:46:11 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

smtp-relay.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 2 September 2019 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 62.243.46.136 is hosted by TDC Holding A/S (AS3292) in Denmark. Mail is handled by .. The zone is DNSSEC-signed and validates, has no DMARC policy and has no IPv6 address. 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#

2 records 26ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records#

1 records 44ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
62.243.46.136	3600s	—	AS3292	TDC Holding A/S	62.242.0.0/15	🇩🇰 Denmark	Copenhagen

📧 MX Records#

1 records 41ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	. Null MX — domain accepts no email (RFC 7505)

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 992ms

TXT Record
v=spf1 include:spf.onkta.dk ~all

✉️ SPF#

Policy	Record (smtp-relay.dk)
~all (soft fail)	v=spf1 include:spf.onkta.dk ~all

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 MTA-STS#

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT#

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records#

✗ No CAA records — any CA may issue certificates

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-10 05:37:27

www	62.243.46.136 (AS3292) (address records, no CNAME)
www vs bare domain	Same network smtp-relay.dk: 62.243.46.136 (AS3292) www.smtp-relay.dk: 62.243.46.136 (AS3292)
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 4/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

117ms

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

🏷️ SOA#

30ms

Field	Value
Serial	2026093001
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

WHOIS fetched 2026-10-03 09:29:21

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2019-09-02
Expires	2027-09-30 (347d)

📋 WHOIS#

⏱️ Lookup Timing#

26ms

44ms

41ms

AAAA

50ms

TXT

992ms

CAA

46ms

HTTPS

42ms

TLSA

49ms

SOA

30ms

MTA-STS

53ms

DNSSEC

117ms

SRV

62ms

Total

1399ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-03 23:22:17	383ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-03 08:56:48	420ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-02 08:55:48	2189ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-01 08:46:11 shown	1399ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-27 07:24:02	413ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-26 12:19:27	586ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-25 12:09:23	459ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-22 02:16:42	900ms	2 NS 1 A 4 MX	🔒 Secure
2026-07-02 18:11:43	5414ms	2 NS 1 A 4 MX	🔒 Secure
2026-06-24 01:50:22	771ms	2 NS 1 A 4 MX	🔒 Secure
2026-06-20 23:51:15	1039ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-17 13:56:45	2053ms	2 NS 1 A 4 MX	🔒 Secure