ta-c.dk

📜 Historical scan 2026-09-02 16:14:46 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

ta-c.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 10 January 2019 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 168.119.73.188 is hosted by Hetzner Online GmbH (AS24940) in Germany. Mail is handled by tac-dk0e.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 52ms

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 37ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
168.119.73.188	600s	pro01.azehosting.net	AS24940	Hetzner Online GmbH	168.119.0.0/16	🇩🇪 Germany	Falkenstein

📧 MX Records#

1 records 262ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	tac-dk0e.mail.protection.outlook.com	2a01:111:f403:c967::8 2a01:111:f403:ca04::4 2a01:111:f403:ca09::28 2a01:111:f403:ca48::10 52.101.181.153 52.101.209.153 52.101.73.11 52.101.73.30	mail-cpjpr04cu00100.inbound.protection.outlook.com mail-db4pr02cu00204.inbound.protection.outlook.com mail-am6pr02cu00300.inbound.protection.outlook.com mail-miypr05cu00100.inbound.protection.outlook.com mail-wa4pr04cu00101.inbound.protection.outlook.com mail-cpjpr04cu00101.inbound.protection.outlook.com mail-am1pr04cu00103.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 → 40.104.116.24
🔶 Autoconfig	46.30.215.44

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 197ms

TXT Record
MS=ms25556918
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

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

📨 DMARC#

Policy	Record (_dmarc.ta-c.dk)
p=none (monitor only)	v=DMARC1; p=none; 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 2026-10-08 00:58:57

www	168.119.73.188 (AS24940) (address records, no CNAME)
www vs bare domain	Same network ta-c.dk: 168.119.73.188 (AS24940) www.ta-c.dk: 168.119.73.188 (AS24940)
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

4 found

Selector	CNAME	Key
s1	s1.domainkey.u28495310.wl061.sendgrid.net	RSA · ~2048 bit
s2	s2.domainkey.u28495310.wl061.sendgrid.net	RSA · ~2048 bit
selector1	selector1-tac-dk0e._domainkey.tacdk.n-v1.dkim.mail.microsoft	RSA · ~2048 bit
selector2	selector2-tac-dk0e._domainkey.tacdk.n-v1.dkim.mail.microsoft	RSA · ~2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 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#

77ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2026071405
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 2026-10-12 02:31:37

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2019-01-10
Expires	2027-01-31 (104d)

🔗 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#

52ms

37ms

262ms

AAAA

44ms

TXT

197ms

CAA

36ms

HTTPS

104ms

TLSA

181ms

SOA

0ms

MTA-STS

74ms

DNSSEC

77ms

SRV

68ms

Total

815ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-19 20:55:56	1086ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-16 18:03:35	1382ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-02 16:14:46 shown	815ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-22 07:16:54	7219ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-19 22:29:13	7187ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-17 09:37:38	3135ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-26 08:11:06	1580ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 14:19:29	1895ms	2 NS 1 A 1 MX	🔒 Secure