tcadministration.dk

📜 Historical scan 2026-06-27 00:51:42 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

tcadministration.dk is a .dk domain served by 4 nameservers (ns1.nhl-data.dk, ns2.nhl-data.dk, ns3.nhl-data.dk and 1 more). It was registered on 5 February 2015 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.206.180.167 is hosted by Public Cloud Ltd. (AS205787) in Germany. Mail is handled by tcadministration-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, publishes a DMARC policy and is reachable over IPv6. 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#

4 records 44ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.nhl-data.dk	185.136.96.11 2a06:fb00:1::1:11	ns1.nhl-data.dk ns1.nhl-data.dk	AS203391 Cloud DNS Ltd AS203391 Cloud DNS Ltd
ns2.nhl-data.dk	185.136.97.11 2a06:fb00:1::2:11	ns2.nhl-data.dk ns2.nhl-data.dk	AS203391 Cloud DNS Ltd AS203391 Cloud DNS Ltd
ns3.nhl-data.dk	185.136.98.11 2a06:fb00:1::3:11	ns3.nhl-data.dk ns3.nhl-data.dk	AS203391 Cloud DNS Ltd AS203391 Cloud DNS Ltd
ns4.nhl-data.dk	185.136.99.11 2a06:fb00:1::4:11	ns4.nhl-data.dk ns4.nhl-data.dk	AS203391 Cloud DNS Ltd AS203391 Cloud DNS Ltd

🌍 A Records#

2 records 56ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.206.180.167	3600s	42.http-proxy2.cloudns.net	AS205787	Public Cloud Ltd.	185.206.180.0/22	🇩🇪 Germany	—
185.206.180.185	3600s	185.http4.cloudns.net	AS205787	Public Cloud Ltd.	185.206.180.0/22	🇩🇪 Germany	—

📧 MX Records#

1 records 50ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	tcadministration-dk.mail.protection.outlook.com	2a01:111:f403:ca04::8 2a01:111:f403:ca09::1 2a01:111:f403:ca09::2 2a01:111:f403:ca09::d 52.101.68.0 52.101.68.10 52.101.68.32 52.101.73.19	mail-db5pr02cu00100.inbound.protection.outlook.com mail-as9pr07cu00301.inbound.protection.outlook.com mail-am0pr83cu00402.inbound.protection.outlook.com mail-as9pr05cu01305.inbound.protection.outlook.com mail-db3pr0202cu00100.inbound.protection.outlook.com mail-dbbpr03cu00102.inbound.protection.outlook.com mail-db3pr0202cu00200.inbound.protection.outlook.com mail-as8pr04cu00803.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)#

2 records 59ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a0b:1640:1:1:1013:1:1:1	3600s	185.http4.cloudns.net	AS205787	Public Cloud Ltd.	2a0b:1640:1:0:0:0:0:0/48	🇧🇬 Bulgaria	—
2a0b:1640:1:1:1:1:1783:3454	3600s	http-proxy2.cloudns.net	AS205787	Public Cloud Ltd.	2a0b:1640:1:0:0:0:0:0/48	🇧🇬 Bulgaria	—

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 84ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records#

2 records 211ms

TXT Record
11.07.2025
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

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

📨 DMARC#

Policy	Record (_dmarc.tcadministration.dk)
p=reject	v=DMARC1; p=reject;

📬 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 2026-10-10 16:01:08

www	185.206.180.167 185.206.180.185 2a0b:1640:1:1:1013:1:1:1 2a0b:1640:1:1:1:1:1783:3454 (AS205787) (address records, no CNAME)
www vs bare domain	Same network tcadministration.dk: 185.206.180.167 185.206.180.185 2a0b:1640:1:1:1013:1:1:1 2a0b:1640:1:1:1:1:1783:3454 (AS205787) www.tcadministration.dk: 185.206.180.167 185.206.180.185 2a0b:1640:1:1:1013:1:1:1 2a0b:1640:1:1:1:1:1783:3454 (AS205787)
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

2 found

Selector	CNAME	Key
selector1	selector1-tcadministration-dk._domainkey.tcadm.onmicrosoft.com	RSA · ~1024 bit below 2048 bit
selector2	selector2-tcadministration-dk._domainkey.tcadm.onmicrosoft.com	RSA · ~1024 bit below 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#

155ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✓ Found
Flags	unsigned answer

🏷️ SOA#

54ms

Field	Value
Serial	2026061804
Primary NS (MNAME)	ns1.nhl-data.dk
Responsible (RNAME)	hostmaster@nhl-data.dk
Refresh	10800s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-08-31 09:13:01

Field	Value
Registrar	NHL DATA ApS
Registered	2015-02-05
Expires	2027-02-28 (134d)

📋 WHOIS#

⏱️ Lookup Timing#

44ms

56ms

50ms

AAAA

59ms

TXT

211ms

CAA

39ms

HTTPS

41ms

TLSA

127ms

SOA

54ms

MTA-STS

77ms

DNSSEC

155ms

SRV

84ms

Total

808ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-10 16:01:08	6442ms	4 NS 2 A 1 MX	🔒 Secure
2026-10-09 09:30:37	2217ms	4 NS 2 A 1 MX	🔒 Secure
2026-09-28 03:03:38	2814ms	4 NS 2 A 1 MX	🔒 Secure
2026-09-21 12:28:20	5301ms	4 NS 2 A 1 MX	🔒 Secure
2026-08-31 09:12:36	1289ms	4 NS 2 A 1 MX	🔓 Insecure
2026-08-26 23:06:47	1541ms	4 NS 2 A 1 MX	🔓 Insecure
2026-08-25 19:18:18	9946ms	4 NS 2 A 1 MX	🔓 Insecure
2026-08-18 01:01:46	2058ms	4 NS 2 A 1 MX	🔓 Insecure
2026-07-28 16:54:07	10426ms	4 NS 2 A 1 MX	🔓 Insecure
2026-07-08 16:01:52	2127ms	4 NS 2 A 1 MX	🔓 Insecure
2026-06-27 00:51:42 shown	808ms	4 NS 2 A 1 MX	🔓 Insecure
2026-06-22 07:10:33	982ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-21 08:03:37	1561ms	4 NS 2 A 1 MX	🔓 Insecure
2026-06-17 13:24:56	1164ms	4 NS 2 A 1 MX	🔓 Insecure