itserver.dk

📜 Historical scan 2026-06-18 05:38:32 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

itserver.dk is a .dk domain served by 2 nameservers (demi.ns.cloudflare.com, owen.ns.cloudflare.com). It was registered on 3 September 2009 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 188.228.88.147 is hosted by Altibox Danmark AS (AS214875) in Denmark. Mail is handled by mail.itserver.dk. 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 53ms

Nameserver	IP addresses	PTR	ASN / ISP
demi.ns.cloudflare.com	108.162.192.95 172.64.32.95 173.245.58.95 2606:4700:50::adf5:3a5f 2803:f800:50::6ca2:c05f 2a06:98c1:50::ac40:205f	demi.ns.cloudflare.com demi.ns.cloudflare.com demi.ns.cloudflare.com demi.ns.cloudflare.com demi.ns.cloudflare.com demi.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
owen.ns.cloudflare.com	108.162.193.219 172.64.33.219 173.245.59.219 2606:4700:58::adf5:3bdb 2803:f800:50::6ca2:c1db 2a06:98c1:50::ac40:21db	owen.ns.cloudflare.com owen.ns.cloudflare.com owen.ns.cloudflare.com owen.ns.cloudflare.com owen.ns.cloudflare.com owen.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 52ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
188.228.88.147	—	188.228.88.147.dynamic.altibox.net	AS214875	Altibox Danmark AS	188.228.88.0/22	🇩🇰 Denmark	Holstebro

📧 MX Records#

1 records 55ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	—	mail.itserver.dk	188.228.88.147	188.228.88.147.dynamic.altibox.net	AS214875 Altibox Danmark AS

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 300ms

TXT Record
v=spf1 mx a ip4:188.228.88.147 a:mail.itserver.dk ~all

✉️ SPF#

Policy	Record (itserver.dk)
~all (soft fail)	v=spf1 mx a ip4:188.228.88.147 a:mail.itserver.dk ~all

📨 DMARC#

Policy	Record (_dmarc.itserver.dk)
p=quarantine	v=DMARC1; p=quarantine; sp=none; rua=mailto:webmaster@itserver.dk; rf=afrf; pct=100; ri=604800

📬 MTA-STS#

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT#

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records#

2 records 53ms

Flags	Tag	Value
0	issue	letsencrypt.org
0	issuewild	letsencrypt.org

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-11 22:03:59

www CNAME	itserver.dk (all on itserver.dk) → 188.228.88.147 (AS214875)
www vs bare domain	Same network itserver.dk: 188.228.88.147 (AS214875) www.itserver.dk: 188.228.88.147 (AS214875)
Wildcard	No
Denial of existence	Compact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
mail	—	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: 3/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

114ms

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

🏷️ SOA#

53ms

Field	Value
Serial	2406837309
Primary NS (MNAME)	demi.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-11 18:18:45

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2009-09-03
Expires	2027-09-30 (344d)

📋 WHOIS#

⏱️ Lookup Timing#

53ms

52ms

55ms

AAAA

55ms

TXT

300ms

CAA

53ms

HTTPS

52ms

TLSA

126ms

SOA

53ms

MTA-STS

46ms

DNSSEC

114ms

SRV

247ms

Total

891ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-11 22:03:59	780ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-24 22:49:00	601ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-19 08:09:54	677ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-25 02:36:17	583ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-24 23:27:13	2003ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-01 05:28:38	8723ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-08 23:20:38	1079ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-19 14:58:52	781ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-18 05:38:32 shown	891ms	2 NS 1 A 1 MX	🔒 Secure