thekerstryhn.dk

📜 Historical scan 2026-06-27 13:12:58 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

thekerstryhn.dk is a .dk domain served by 3 nameservers (ns1.c-system.dk, ns2.c-system.dk, ns3.c-system.dk). It was registered on 28 February 2015 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 49.12.60.83 is hosted by Hetzner Online GmbH (AS24940) in Germany. Mail is handled by thekerstryhn-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, 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#

3 records 591ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.c-system.dk	49.12.60.90	—	AS24940 Hetzner Online GmbH
ns2.c-system.dk	49.12.60.94	ns2.c-system.dk	AS24940 Hetzner Online GmbH
ns3.c-system.dk	37.27.223.112	monitor.itout.dk	AS24940 Hetzner Online GmbH

🌍 A Records#

1 records 582ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
49.12.60.83	38400s	web01.c-system.dk	AS24940	Hetzner Online GmbH	49.12.0.0/15	🇩🇪 Germany	—

📧 MX Records#

1 records 222ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	38400s	thekerstryhn-dk.mail.protection.outlook.com	2a01:111:f403:ca04::6 2a01:111:f403:ca04::9 2a01:111:f403:ca04::b 2a01:111:f403:ca09::b 52.101.68.10 52.101.68.15 52.101.68.3 52.101.73.28	mail-db4pr02cu00406.inbound.protection.outlook.com mail-db7pr03cu00601.inbound.protection.outlook.com mail-dbbpr03cu00103.inbound.protection.outlook.com mail-am7pr05cu00103.inbound.protection.outlook.com mail-dbbpr03cu00102.inbound.protection.outlook.com mail-db6pr03cu00107.inbound.protection.outlook.com mail-db7pr03cu00403.inbound.protection.outlook.com mail-am7pr05cu00204.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

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 998ms

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

📝 TXT Records#

2 records 970ms

TXT Record
MS=ms10135781
v=spf1 a mx include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (thekerstryhn.dk)
-all (hard fail)	v=spf1 a mx include:spf.protection.outlook.com -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 2026-10-15 23:33:29

www CNAME	thekerstryhn.dk (all on thekerstryhn.dk) → 49.12.60.83 (AS24940)
www vs bare domain	Same network thekerstryhn.dk: 49.12.60.83 (AS24940) www.thekerstryhn.dk: 49.12.60.83 (AS24940)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 3/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

668ms

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

🏷️ SOA#

956ms

Field	Value
Serial	2016060707
Primary NS (MNAME)	ns1.c-system.dk
Responsible (RNAME)	admin@c-system.dk
Refresh	10800s
Retry	3600s
Expire	1309600s
Minimum (neg-cache TTL)	38400s

📋 Registration#

WHOIS fetched 2026-10-17 07:51:36

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2015-02-28
Expires	2027-02-27 (123d)

🔗 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#

591ms

582ms

222ms

AAAA

650ms

TXT

970ms

CAA

218ms

HTTPS

647ms

TLSA

861ms

SOA

956ms

MTA-STS

239ms

DNSSEC

668ms

SRV

998ms

Total

2984ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-08-26 16:00:51	1509ms	3 NS 1 A 1 MX	🔓 Insecure
2026-07-02 16:05:51	2160ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-27 13:12:58 shown	2984ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-20 10:19:50	1341ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-17 15:16:43	928ms	3 NS 1 A 1 MX	🔓 Insecure