union-t.dk

Records from scan: 2026-10-18 02:16:43 · 2254ms total

⬇ 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 our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 85ms

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 114ms

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 87ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	uniont-dk01c.mail.protection.outlook.com	2a01:111:f403:ca04::9 2a01:111:f403:ca21::10 2a01:111:f403:ca21::c 2a01:111:f403:ca38::a 52.101.103.137 52.101.181.156 52.101.185.21 52.101.185.24	mail-db7pr03cu00601.inbound.protection.outlook.com mail-matpr05cu00100.inbound.protection.outlook.com mail-matpr04cu00204.inbound.protection.outlook.com mail-wa4pr05cu00102.inbound.protection.outlook.com mail-miypr02cu00101.inbound.protection.outlook.com mail-wa4pr05cu00104.inbound.protection.outlook.com mail-zrxpr05cu00105.inbound.protection.outlook.com mail-zrxpr07cu00100.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 → 52.98.154.136

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 282ms

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#

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#

218ms

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

🏷️ SOA#

70ms

Field	Value
Serial	2026101701
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#

85ms

114ms

87ms

AAAA

286ms

TXT

282ms

CAA

64ms

HTTPS

104ms

TLSA

890ms

SOA

70ms

MTA-STS

113ms

DNSSEC

218ms

SRV

204ms

Total

2254ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-18 02:16:43 shown	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	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