5mail.dk

Records from scan: 2026-10-13 06:48:50 · 1126ms total · last checked 2026-10-16 14:10 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

5mail.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 6 January 2010 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 46.30.215.123 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by corow-dk0e.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, has no DMARC policy and is reachable over IPv6. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 39ms

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 39ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.30.215.123	3600s	webcluster2.webpod16-cph3.one.com	AS51468	One.com A/S	46.30.208.0/21	🇩🇰 Denmark	Copenhagen

📧 MX Records#

1 records 33ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	600s	corow-dk0e.mail.protection.outlook.com	2a01:111:f403:ca04::b 2a01:111:f403:ca21::c 2a01:111:f403:ca3c::6 2a01:111:f403:ca3c::a 52.101.185.114 52.101.185.24 52.101.209.31 52.101.68.39	mail-dbbpr03cu00103.inbound.protection.outlook.com mail-matpr04cu00204.inbound.protection.outlook.com mail-zrxpr04cu00106.inbound.protection.outlook.com mail-zrxpr07cu00102.inbound.protection.outlook.com mail-zrxpr04cu00102.inbound.protection.outlook.com mail-zrxpr07cu00100.inbound.protection.outlook.com mail-cpjpr05cu00207.inbound.protection.outlook.com mail-db7pr03cu00607.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.56

🔷 AAAA Records (IPv6)#

1 records 48ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:5:111:80dc:ede2:1a5d:7e1c	3600s	—	AS51468	One.com A/S	2a02:2350:0:0:0:0:0:0/32	🇩🇰 Denmark	Copenhagen

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 136ms

TXT Record
MS=ms93906266
v=spf1 include:spf.protection.outlook.com include:_custspf.one.com -all

✉️ SPF#

Policy	Record (5mail.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:_custspf.one.com -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#

checked 2026-10-13 06:48:50

www	46.30.215.123 2a02:2350:5:111:80dc:ede2:1a5d:7e1c (AS51468) (address records, no CNAME)
www vs bare domain	Same network 5mail.dk: 46.30.215.123 2a02:2350:5:111:80dc:ede2:1a5d:7e1c (AS51468) www.5mail.dk: 46.30.215.123 2a02:2350:5:111:80dc:ede2:1a5d:7e1c (AS51468)
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: 2/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

59ms

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

🏷️ SOA#

31ms

Field	Value
Serial	2026101205
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 2026-10-13 06:57:45

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2010-01-06
Expires	2027-01-31 (106d)

🔗 Same registrant#

1 domain

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
co-row.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

39ms

33ms

AAAA

48ms

TXT

136ms

CAA

47ms

HTTPS

30ms

TLSA

726ms

SOA

31ms

MTA-STS

37ms

DNSSEC

59ms

SRV

44ms

Total

1126ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-13 06:48:50 shown	1126ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-01 08:12:40	1526ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-25 05:30:21	1337ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-14 07:04:11	4440ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-02 01:56:35	1432ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-02 01:26:56	729ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-16 13:14:33	698ms	2 NS 1 A 1 MX	🔒 Secure