christianuldahl.dk

📜 Historical scan 2026-06-16 20:43:39 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

christianuldahl.dk is a .dk domain served by 2 nameservers (ns1.dns.services, ns2.dns.services). It was registered on 9 December 2016 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 193.221.124.15 is hosted by CoMaSys ApS (AS51377) in Denmark. Mail is handled by scan1.comasys.dk, scan3.comasys.dk and 1 more. 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#

2 records 26ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.dns.services	—	—	—
ns2.dns.services	—	—	—

🌍 A Records#

1 records 44ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
193.221.124.15	—	—	AS51377	CoMaSys ApS	193.221.124.0/24	🇩🇰 Denmark	—

📧 MX Records#

3 records 27ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	—	scan1.comasys.dk	192.162.219.155	mx41.electric.net	AS16509 Amazon.com, Inc.
10	—	scan3.comasys.dk	192.162.219.255	mx41.electric.net	AS16509 Amazon.com, Inc.
20	—	scan2.comasys.dk	192.162.219.49	mx41.electric.net	AS16509 Amazon.com, Inc.

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 132ms

TXT Record
v=spf1 include:_spf.comasys.dk -all

✉️ SPF#

Policy	Record (christianuldahl.dk)
-all (hard fail)	v=spf1 include:_spf.comasys.dk -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 2026-10-24 12:46:41

www	193.221.124.15 (AS51377) (address records, no CNAME)
www vs bare domain	Same network christianuldahl.dk: 193.221.124.15 (AS51377) www.christianuldahl.dk: 193.221.124.15 (AS51377)
Wildcard	Yes: any name under the zone resolves

🔎 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#

48ms

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

🏷️ SOA#

27ms

Field	Value
Serial	2022072802
Primary NS (MNAME)	ns1.dns.services
Responsible (RNAME)	hostmaster@comasys.dk
Refresh	10800s
Retry	3600s
Expire	2419000s
Minimum (neg-cache TTL)	43200s

📋 Registration#

WHOIS fetched 2026-10-09 13:36:44

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2016-12-09
Expires	2026-12-31 (65d)

📋 WHOIS#

⏱️ Lookup Timing#

26ms

44ms

27ms

AAAA

36ms

TXT

132ms

CAA

51ms

HTTPS

35ms

TLSA

55ms

SOA

27ms

MTA-STS

38ms

DNSSEC

48ms

SRV

0ms

Total

411ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-24 12:46:41	554ms	2 NS 1 A 3 MX	🔓 Insecure
2026-09-30 11:42:49	566ms	2 NS 1 A 3 MX	🔓 Insecure
2026-08-27 13:12:24	670ms	2 NS 1 A 3 MX	🔓 Insecure
2026-08-24 14:34:08	1616ms	2 NS 1 A 3 MX	🔓 Insecure
2026-06-16 20:43:39 shown	411ms	2 NS 1 A 3 MX	🔓 Insecure
2026-06-16 20:40:34	583ms	2 NS 1 A 3 MX	🔓 Insecure