itcfyn.dk

📜 Historical scan 2026-09-17 03:33:18 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

itcfyn.dk is a .dk domain served by 2 nameservers (celeste.ns.cloudflare.com, rustam.ns.cloudflare.com). It was registered on 6 April 2005 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.52.3 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by itcfyn-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, publishes a DMARC policy and is reachable over IPv6. 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 41ms

Nameserver	IP addresses	PTR	ASN / ISP
celeste.ns.cloudflare.com	108.162.194.7 162.159.38.7 172.64.34.7 2606:4700:50::a29f:2607 2803:f800:50::6ca2:c207 2a06:98c1:50::ac40:2207	celeste.ns.cloudflare.com celeste.ns.cloudflare.com celeste.ns.cloudflare.com celeste.ns.cloudflare.com celeste.ns.cloudflare.com celeste.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
rustam.ns.cloudflare.com	108.162.195.148 162.159.44.148 172.64.35.148 2606:4700:58::a29f:2c94 2803:f800:50::6ca2:c394 2a06:98c1:50::ac40:2394	rustam.ns.cloudflare.com rustam.ns.cloudflare.com rustam.ns.cloudflare.com rustam.ns.cloudflare.com rustam.ns.cloudflare.com rustam.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

2 records 44ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.52.3	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.192.193	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 41ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
5	3600s	itcfyn-dk.mail.protection.outlook.com	2a01:111:f403:ca04::10 2a01:111:f403:ca04::f 2a01:111:f403:ca21::a 2a01:111:f403:ca48::a 52.101.209.31 52.101.68.18 52.101.68.21 52.101.91.21	mail-dbapr03cu00100.inbound.protection.outlook.com mail-db7pr03cu00507.inbound.protection.outlook.com mail-maspr04cu00102.inbound.protection.outlook.com mail-miypr02cu00202.inbound.protection.outlook.com mail-cpjpr05cu00207.inbound.protection.outlook.com mail-db4pr02cu00302.inbound.protection.outlook.com mail-db4pr02cu00205.inbound.protection.outlook.com mail-matpr05cu00105.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 → 40.104.116.40
🔶 Autoconfig	172.67.192.193

🔷 AAAA Records (IPv6)#

2 records 32ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3033::6815:3403	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3036::ac43:c0c1	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 43ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.52.3,172.67.192.193 ech=AEX+DQBBKwAgACBWepOq38SPyGGa8ylBPTtx8HRoIwVgEfyRflaXqJGiKAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:3403,2606:4700:3036::ac43:c0c1

🔌 SRV Records#

2 records 69ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	0	100	443	outlook.office365.com
_sipfederationtls._tcp	0	1	5061	sipfed.online.lync.com

📝 TXT Records#

11 records 195ms

TXT Record
7A881BEBB30FADB7836A73FC21B81E2D447F1BA4198A1E4F7BD48D4466A144D7
9td7g52u1lm5usqinfpkc987km
adobe-idp-site-verification=893b90f84e69afd4819b9df3a1715d8ffbe9aa9093799cb527f5c70267e178cc
as-itcfyn-homepage.azurewebsites.net
d5oh3s6hcmjdl00v6edishvrp6
google-site-verification=01Z8olU5H3S-IwzD9Bs6MOytKSwzdhW8y7f-6ZeELBQ
google-site-verification=02reQT-pl0VLAOOMAHxqpneETfWSIqxTs1rBPlJ299Q
iqgnsl2mu0j8r9mm1k1nl6t42v
linkedin-site-verification=f3b21900-ec77-44f6-a57d-e149fec3513c
ofO4RS7lTI11bMrVjLgjv1OqjflOI1I62yg4jwQZY2XlH85hYcfnFcjpkgosKUGrRUCwCtTLMi1nyDwAnsXmig==
v=spf1 ip4:87.48.163.29 include:spf.mailanyone.net include:_spf.createsend.com include:spf.topdesk.net include:spf.protection.outlook.com include:u6291087.wl088.sendgrid.net -all

✉️ SPF#

Policy	Record (itcfyn.dk)
-all (hard fail)	v=spf1 ip4:87.48.163.29 include:spf.mailanyone.net include:_spf.createsend.com include:spf.topdesk.net include:spf.protection.outlook.com include:u6291087.wl088.sendgrid.net -all

📨 DMARC#

Policy	Record (_dmarc.itcfyn.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:dmarc_agg@vali.email,mailto:dmarc@itcfyn.dk;

📬 MTA-STS#

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT#

Status	Report address (rua)
✓ Enabled	mailto:tls-report@vali.email

📜 CAA Records#

✗ No CAA records — any CA may issue certificates

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-15 23:58:45

www	104.21.52.3 172.67.192.193 2606:4700:3033::6815:3403 2606:4700:3036::ac43:c0c1 (AS13335) (address records, no CNAME)
www vs bare domain	Same network itcfyn.dk: 104.21.52.3 172.67.192.193 2606:4700:3033::6815:3403 2606:4700:3036::ac43:c0c1 (AS13335) www.itcfyn.dk: 104.21.52.3 172.67.192.193 2606:4700:3033::6815:3403 2606:4700:3036::ac43:c0c1 (AS13335)
Wildcard	Yes: any name under the zone resolves
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

✍️ DKIM keys#

3 found

Selector	CNAME	Key
s1	s1.domainkey.u6291087.wl088.sendgrid.net	RSA · ~2048 bit
s2	s2.domainkey.u6291087.wl088.sendgrid.net	RSA · ~2048 bit
selector2	selector2-itcfyn-dk._domainkey.o365itcfyn.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: 7/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

130ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2415048523
Primary NS (MNAME)	celeste.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-14 22:18:30

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2005-04-06
Expires	2027-04-30 (195d)

🔗 Same registrant#

6 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
faeiles-digital.dk	Punktum dk A/S (direct)
faeliesdigital.dk	Punktum dk A/S (direct)
faellesdigitale.dk	Punktum dk A/S (direct)
faellesdigitalt.dk	Punktum dk A/S (direct)
fdigital.dk	Punktum dk A/S (direct)
fællesai.dk	dns.services ApS

📋 WHOIS#

⏱️ Lookup Timing#

41ms

44ms

41ms

AAAA

32ms

TXT

195ms

CAA

50ms

HTTPS

43ms

TLSA

984ms

SOA

0ms

MTA-STS

62ms

DNSSEC

130ms

SRV

69ms

Total

2460ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-15 23:58:45	2789ms	2 NS 2 A 1 MX	🔒 Secure
2026-10-14 21:56:15	3454ms	2 NS 2 A 1 MX	🔒 Secure
2026-10-11 12:36:51	2386ms	2 NS 2 A 1 MX	🔒 Secure
2026-10-11 11:54:56	3661ms	2 NS 2 A 1 MX	🔒 Secure
2026-10-05 19:10:01	4666ms	2 NS 2 A 1 MX	🔒 Secure
2026-10-02 18:59:02	1439ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-29 18:42:05	1284ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-24 22:37:15	5074ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-23 22:06:34	2089ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-17 03:33:18 shown	2460ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-08 01:33:40	1645ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-28 11:14:58	803ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-25 04:15:08	8861ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-24 03:10:01	6920ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-12 13:55:29	10550ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-08 02:14:33	1744ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-01 15:33:12	10489ms	2 NS 2 A 1 MX	🔒 Secure
2026-07-27 08:41:22	2882ms	2 NS 2 A 1 MX	🔒 Secure
2026-07-09 03:10:32	4293ms	2 NS 2 A 1 MX	🔒 Secure
2026-07-03 11:03:49	12563ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-25 02:05:18	1889ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-24 06:17:20	981ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-20 16:39:04	2773ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-18 04:39:46	1334ms	2 NS 2 A 1 MX	🔓 Insecure