itfesbjerg.dk

📜 Historical scan 2026-06-17 11:48:00 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

itfesbjerg.dk is a .dk domain served by 4 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com and 1 more). It was registered on 23 September 2008 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 93.191.156.136 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by itfesbjerg-dk.mail.protection.outlook.com. 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#

4 records 41ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.simply.com	2a02:2339:1:15c::4562:4562 91.197.248.78	ns1.simply.com ns1.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.simply.com	185.25.141.15 2a02:2339:4006:101::4562:4562	ns2.simply.com ns2.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns3.simply.com	91.197.248.79	ns3.simply.com	AS48854 team.blue Denmark A/S
ns4.simply.com	91.197.248.80	ns4.simply.com	AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 41ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
93.191.156.136	—	linux253.unoeuro.com	AS48854	team.blue Denmark A/S	93.191.152.0/21	🇩🇰 Denmark	—

📧 MX Records#

1 records 51ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	—	itfesbjerg-dk.mail.protection.outlook.com	2a01:111:f403:ca04::1 2a01:111:f403:ca04::c 2a01:111:f403:ca04::e 2a01:111:f403:ca09::4 52.101.68.36 52.101.73.19 52.101.73.2 52.101.73.24	mail-db7pr03cu00401.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-db8pr02cu00106.inbound.protection.outlook.com mail-am0pr04cu00504.inbound.protection.outlook.com mail-db5pr02cu00104.inbound.protection.outlook.com mail-as8pr04cu00803.inbound.protection.outlook.com mail-as9pr07cu00302.inbound.protection.outlook.com mail-as8pr05cu00300.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

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 176ms

TXT Record
apple-domain-verification=hFlyEIJMD41QhIkf
v=spf1 include:spf.protection.outlook.com include:itfe.dk -all

✉️ SPF#

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

📨 DMARC#

Policy	Record (_dmarc.itfesbjerg.dk)
p=reject	v=DMARC1; p=reject; fo=0; adkim=r; aspf=r; pct=100; rf=afrf; ri=86100; sp=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 2026-10-12 18:53:47

www	93.191.156.136 (AS48854) (address records, no CNAME)
www vs bare domain	Same network itfesbjerg.dk: 93.191.156.136 (AS48854) www.itfesbjerg.dk: 93.191.156.136 (AS48854)
Wildcard	Yes: any name under the zone resolves
Denial of existence	NSEC zone can be walked (all names enumerable)
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
selector1	selector1-itfesbjerg-dk._domainkey.itfe.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: 11/10 · policy: -all

error 11 DNS lookups: the limit is 10, so a receiver whose evaluation gets past the 10th returns permerror (SPF fails)

🔗 TLSA / DANE#

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

🔐 DNSSEC#

110ms

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

🏷️ SOA#

42ms

Field	Value
Serial	2024022401
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-12 19:07:04

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2008-09-23
Expires	2030-05-31 (1322d)

🔗 Same registrant#

10 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
bluebyte.dk	Punktum dk A/S (direct)
bluebyteit.dk	Punktum dk A/S (direct)
bluebytetest.dk	Punktum dk A/S (direct)
coreit.dk	Punktum dk A/S (direct)
driftig.dk	Punktum dk A/S (direct)
hackdinhverdag.dk	Punktum dk A/S (direct)
myblue.dk	Punktum dk A/S (direct)
relevantit.dk	Punktum dk A/S (direct)
supportaftale.dk	Punktum dk A/S (direct)
web-step.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

41ms

51ms

AAAA

103ms

TXT

176ms

CAA

40ms

HTTPS

70ms

TLSA

325ms

SOA

42ms

MTA-STS

61ms

DNSSEC

110ms

SRV

0ms

Total

913ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-12 18:53:47	1133ms	4 NS 1 A 1 MX	🔒 Secure
2026-10-02 10:29:50	1300ms	4 NS 1 A 1 MX	🔒 Secure
2026-10-01 06:35:53	937ms	4 NS 1 A 1 MX	🔒 Secure
2026-09-13 23:27:22	1455ms	4 NS 1 A 1 MX	🔒 Secure
2026-07-01 18:55:12	800ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-17 11:48:00 shown	913ms	4 NS 1 A 1 MX	🔒 Secure