union-t.dk

📜 Historical scan 2026-07-14 04:03:27 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

union-t.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 16 February 2014 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 141.138.138.33 is hosted by Signet B.V. (AS20857) in The Netherlands. Mail is handled by uniont-dk01c.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, publishes a 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 34ms

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 34ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
141.138.138.33	3600s	141-138-138-33.colo.transip.net	AS20857	Signet B.V.	141.138.136.0/21	🇳🇱 The Netherlands	—

📧 MX Records#

1 records 31ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	uniont-dk01c.mail.protection.outlook.com	2a01:111:f403:ca04::b 2a01:111:f403:ca04::e 2a01:111:f403:ca09::4 2a01:111:f403:ca09::b 52.101.68.0 52.101.68.27 52.101.73.15 52.101.73.30	mail-dbbpr03cu00103.inbound.protection.outlook.com mail-db8pr02cu00106.inbound.protection.outlook.com mail-am0pr04cu00504.inbound.protection.outlook.com mail-am7pr05cu00103.inbound.protection.outlook.com mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db7pr03cu00503.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-am7pr05cu00306.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

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 170ms

TXT Record
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (union-t.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com -all

📨 DMARC#

Policy	Record (_dmarc.union-t.dk)
p=quarantine	v=DMARC1; p=quarantine; pct=100;

📬 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 02:16:43

www	141.138.138.33 (AS20857) (address records, no CNAME)
www vs bare domain	Same network union-t.dk: 141.138.138.33 (AS20857) www.union-t.dk: 141.138.138.33 (AS20857)
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: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

57ms

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

🏷️ SOA#

16ms

Field	Value
Serial	2026061201
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 02:48:48

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2014-02-16
Expires	2027-02-28 (132d)

🔗 Same registrant#

0 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).

No other domain with this registrant in our WHOIS data yet

📋 WHOIS#

⏱️ Lookup Timing#

34ms

31ms

AAAA

31ms

TXT

170ms

CAA

31ms

HTTPS

32ms

TLSA

1456ms

SOA

16ms

MTA-STS

44ms

DNSSEC

57ms

SRV

40ms

Total

6413ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-18 02:16:43	2254ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-12 15:20:22	888ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-08 05:09:48	4961ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-28 00:54:10	894ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-24 03:33:20	1282ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-01 20:20:46	1330ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-14 04:03:27 shown	6413ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-23 04:35:24	736ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-20 04:09:41	2579ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-18 05:42:19	1435ms	2 NS 1 A 1 MX	🔒 Secure