ipcalc.dk

📜 Historical scan 2026-10-15 19:09:54 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

ipcalc.dk is a .dk domain served by 2 nameservers (angela.ns.cloudflare.com, elmo.ns.cloudflare.com). It was registered on 21 January 2010 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 136.244.81.205 is hosted by The Constant Company, LLC (AS20473) in Germany. Mail is handled by mx01.dalbjerg.dk. 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 46ms

Nameserver	IP addresses	PTR	ASN / ISP
angela.ns.cloudflare.com	108.162.192.65 172.64.32.65 173.245.58.65 2606:4700:50::adf5:3a41 2803:f800:50::6ca2:c041 2a06:98c1:50::ac40:2041	angela.ns.cloudflare.com angela.ns.cloudflare.com angela.ns.cloudflare.com angela.ns.cloudflare.com angela.ns.cloudflare.com angela.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
elmo.ns.cloudflare.com	108.162.193.163 172.64.33.163 173.245.59.163 2606:4700:58::adf5:3ba3 2803:f800:50::6ca2:c1a3 2a06:98c1:50::ac40:21a3	elmo.ns.cloudflare.com elmo.ns.cloudflare.com elmo.ns.cloudflare.com elmo.ns.cloudflare.com elmo.ns.cloudflare.com elmo.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

1 records 46ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
136.244.81.205	300s	itch-proxy01.itconfig.dk	AS20473	The Constant Company, LLC	136.244.64.0/18	🇩🇪 Germany	Frankfurt am Main

📧 MX Records#

1 records 34ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mx01.dalbjerg.dk	185.50.192.224	mx01.dalbjerg.dk	AS203953 Hiper A/S

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 173ms

TXT Record
v=spf1 a mx include:_spf.dalbjerg.dk -all

✉️ SPF#

Policy	Record (ipcalc.dk)
-all (hard fail)	v=spf1 a mx include:_spf.dalbjerg.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 2026-10-16 19:55:44

www CNAME	ipcalc.dk (all on ipcalc.dk) → 136.244.81.205 (AS20473)
www vs bare domain	Same network ipcalc.dk: 136.244.81.205 (AS20473) www.ipcalc.dk: 136.244.81.205 (AS20473)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 4/10 · policy: -all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.ipcalc.dk	CRFKnoEzGb8yK5fCTCx0ma3jmriXEj0rh4uaN_7A4Zo
TXT	_acme-challenge.ipcalc.dk	iTtf56IsCpgv_szMd2r0L8WJCdigwVLlO6u3h7HYRYU

🔗 TLSA / DANE#

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

🔐 DNSSEC#

59ms

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

🏷️ SOA#

35ms

Field	Value
Serial	2417568601
Primary NS (MNAME)	angela.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-15 19:29:49

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2010-01-21
Expires	2027-01-31 (104d)

🔗 Same registrant#

2 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).

Domain	Registrar
iptools.dk	Punktum dk A/S (direct)
kennethdalbjerg.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

46ms

34ms

AAAA

30ms

TXT

173ms

CAA

30ms

HTTPS

40ms

TLSA

162ms

SOA

35ms

MTA-STS

50ms

DNSSEC

59ms

SRV

53ms

Total

581ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-16 19:55:44	1306ms	2 NS 1 A 1 MX	🔓 Insecure
2026-10-15 19:09:54 shown	581ms	2 NS 1 A 1 MX	🔓 Insecure
2026-10-01 21:24:50	4428ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-30 21:20:56	874ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-25 17:43:34	812ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-27 19:10:27	1380ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-18 00:56:49	4167ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-04 04:17:06	1012ms	2 NS 1 A 1 MX	🔓 Insecure
2026-07-02 11:04:38	1733ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-20 05:54:26	817ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-17 14:34:35	1925ms	2 NS 1 A 1 MX	🔓 Insecure