tnmail.dk

📜 Historical scan 2026-08-27 20:30:42 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

tnmail.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 26 March 2009 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 178.20.217.249 is hosted by Atea A/S (AS21060) in Denmark. Mail is handled by tnslib-dk.mail.protection.outlook.com. 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 53ms

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
178.20.217.249	600s	vps.simpledigital.dk	AS21060	Atea A/S	178.20.216.0/23	🇩🇰 Denmark	—

📧 MX Records#

1 records 50ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	tnslib-dk.mail.protection.outlook.com	2a01:111:f403:ca04::6 2a01:111:f403:ca04::7 2a01:111:f403:ca09::8 2a01:111:f403:ca09::c 52.101.209.153 52.101.68.21 52.101.68.5 52.101.73.26	mail-db4pr02cu00406.inbound.protection.outlook.com mail-db4pr02cu00307.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-as8pr05cu00304.inbound.protection.outlook.com mail-cpjpr04cu00101.inbound.protection.outlook.com mail-db4pr02cu00205.inbound.protection.outlook.com mail-du2pr03cu00105.inbound.protection.outlook.com mail-as9pr05cu01302.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 → 40.104.116.40
🔶 Autoconfig	178.20.217.249

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 94ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	0	1	5061	sipfed.online.lync.com

📝 TXT Records#

3 records 223ms

TXT Record
MS=ms22354557
MS=ms97122421
v=spf1 ip4:62.243.224.229 include:spf.protection.outlook.com ip4:64.235.144.0/20 ip4:178.20.217.249/20 -all

✉️ SPF#

Policy	Record (tnmail.dk)
-all (hard fail)	v=spf1 ip4:62.243.224.229 include:spf.protection.outlook.com ip4:64.235.144.0/20 ip4:178.20.217.249/20 -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 2026-10-18 05:20:49

www	178.20.217.249 (AS21060) (address records, no CNAME)
www vs bare domain	Same network tnmail.dk: 178.20.217.249 (AS21060) www.tnmail.dk: 178.20.217.249 (AS21060)
Wildcard	Yes: any name under the zone resolves
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

126ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2026032401
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 2026-10-18 05:54:36

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2009-03-26
Expires	2029-03-31 (891d)

🔗 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
tntools.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

53ms

44ms

50ms

AAAA

31ms

TXT

223ms

CAA

51ms

HTTPS

53ms

TLSA

599ms

SOA

0ms

MTA-STS

117ms

DNSSEC

126ms

SRV

94ms

Total

1301ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-18 05:20:49	1854ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-13 00:24:19	904ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-30 00:26:58	868ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-24 01:23:57	981ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-27 20:30:42 shown	1301ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-18 02:00:28	1073ms	2 NS 1 A 1 MX	🔒 Secure