itcfyn.dk DNS records

🖥️ Nameservers2 records 27ms

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 Records2 records 33ms

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 Records1 records 27ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
5	3600s	itcfyn-dk.mail.protection.outlook.com	2a01:111:f403:ca04::7 2a01:111:f403:ca09::1 2a01:111:f403:ca09::2 2a01:111:f403:ca09::b 52.101.68.12 52.101.68.3 52.101.68.32 52.101.73.16	mail-db4pr02cu00307.inbound.protection.outlook.com mail-as9pr07cu00301.inbound.protection.outlook.com mail-am0pr83cu00402.inbound.protection.outlook.com mail-am7pr05cu00103.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-db7pr03cu00403.inbound.protection.outlook.com mail-db3pr0202cu00200.inbound.protection.outlook.com mail-as2pr05cu00100.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 → 40.104.116.24
🔶 Autoconfig	104.21.52.3

🔷 AAAA Records (IPv6)2 records 25ms

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 Records1 records 27ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.52.3,172.67.192.193 ech=AEX+DQBBbQAgACC4bXkO/CM2lDhGvQrkr9fDR3Zk7pt8YuHlvWzdLiqDBAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:3403,2606:4700:3036::ac43:c0c1

🔌 SRV Records2 records 57ms

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

📝 TXT Records11 records 160ms

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

🔗 TLSA / DANE

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

🔐 DNSSEC93ms

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

🏷️ SOA0ms

Field	Value
Serial	2413324787
Primary NS (MNAME)	celeste.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

27ms

A

33ms

MX

27ms

AAAA

25ms

TXT

160ms

CAA

29ms

HTTPS

27ms

TLSA

171ms

SOA

0ms

MTA-STS

43ms

DNSSEC

93ms

SRV

57ms

Total

803ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-28 11:14:58	803ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-08-25 04:15:08	8861ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-08-24 03:10:01	6920ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-08-12 13:55:29	10550ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-08-08 02:14:33	1744ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-08-01 15:33:12	10489ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-07-27 08:41:22	2882ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-07-09 03:10:32	4293ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-07-03 11:03:49	12563ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-25 02:05:18	1889ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-24 06:17:20	981ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-20 16:39:04	2773ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-18 04:39:46	1334ms	2 NS 2 A 1 MX	🔓 Insecure	View