i4it.dk DNS records

🖥️ Nameservers2 records 47ms

Nameserver	IP addresses	PTR	ASN / ISP
anirban.ns.cloudflare.com	108.162.193.64 172.64.33.64 173.245.59.64 2606:4700:58::adf5:3b40 2803:f800:50::6ca2:c140 2a06:98c1:50::ac40:2140	anirban.ns.cloudflare.com anirban.ns.cloudflare.com anirban.ns.cloudflare.com anirban.ns.cloudflare.com anirban.ns.cloudflare.com anirban.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
stella.ns.cloudflare.com	108.162.194.154 162.159.38.154 172.64.34.154 2606:4700:50::a29f:269a 2803:f800:50::6ca2:c29a 2a06:98c1:50::ac40:229a	stella.ns.cloudflare.com stella.ns.cloudflare.com stella.ns.cloudflare.com stella.ns.cloudflare.com stella.ns.cloudflare.com stella.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 43ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.11.6	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.147.77	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records3 records 53ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mx1-dk.centerasecurity.dk	128.76.60.167 128.76.60.187 89.233.19.127 89.233.19.127 89.233.19.188 89.233.19.188	mx6.centerasecurity.dk mx6.centerasecurity.dk 127.0-254.19.233.89.in-addr.arpa mx14.centerasecurity.dk 188.0-254.19.233.89.in-addr.arpa mx14.centerasecurity.dk	AS3292 TDC Holding A/S AS3292 TDC Holding A/S AS3308 Norlys Digital A/S AS3308 Norlys Digital A/S AS3308 Norlys Digital A/S AS3308 Norlys Digital A/S
10	300s	mx2-dk.centerasecurity.dk	128.76.60.168 128.76.60.169 89.233.19.128 89.233.19.128 89.233.19.129 89.233.19.129	mx6.centerasecurity.dk mx6.centerasecurity.dk 128.0-254.19.233.89.in-addr.arpa mx14.centerasecurity.dk 129.0-254.19.233.89.in-addr.arpa mx14.centerasecurity.dk	AS3292 TDC Holding A/S AS3292 TDC Holding A/S AS3308 Norlys Digital A/S AS3308 Norlys Digital A/S AS3308 Norlys Digital A/S AS3308 Norlys Digital A/S
20	300s	mx3-dk.centerasecurity.dk	128.76.60.187 89.233.19.129 89.233.19.129	mx6.centerasecurity.dk 129.0-254.19.233.89.in-addr.arpa mx14.centerasecurity.dk	AS3292 TDC Holding A/S AS3308 Norlys Digital A/S AS3308 Norlys Digital A/S

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.40

🔷 AAAA Records (IPv6)2 records 55ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::6815:b06	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3035::ac43:934d	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 93ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.11.6,172.67.147.77 ech=AEX+DQBBswAgACBSa1KJDOY2ytzmiJSQOpgKz1zpgTyRTL0NV+7rEqB+UgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:b06,2606:4700:3035::ac43:934d

📝 TXT Records2 records 309ms

TXT Record
google-site-verification=9spkIv1mxVtO_gJqSjGj4mZfcUP-d5YcqVcFPEzt6xA
v=spf1 include:spf.protection.outlook.com include:_spf.centerasecurity.dk ip4:78.143.96.81 -all

✉️ SPF

Policy	Record (i4it.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:_spf.centerasecurity.dk ip4:78.143.96.81 -all

📨 DMARC

Policy	Record (_dmarc.i4it.dk)
p=quarantine	v=DMARC1; p=quarantine; rua=mailto:arkiv@i4.dk; ruf=mailto:arkiv@i4.dk; fo=0:1:d:s; pct=10; adkim=s; aspf=r

📬 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

🔏 ACME Challenge

Type	Name	Value
TXT	_acme-challenge.i4it.dk	MdW8U9mgMQ_5KO2Nla8m9_yL3TIb9TCT2NyR5X7MoI8
TXT	_acme-challenge.i4it.dk	xVLCVBIpi-qfOqPMhMo60v7JKVMSg4YWz3RsuMxjaKM

🔗 TLSA / DANE6 records 95ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx1-dk.centerasecurity.dk	DANE-EE · SPKI · SHA-256	D4C349E7B72F5CF4A9CEA358F98947C2…
SMTP _25._tcp.mx1-dk.centerasecurity.dk	DANE-EE · SPKI · SHA-256	56315B43B892E9AEE184919EC6A5821C…
SMTP _25._tcp.mx2-dk.centerasecurity.dk	DANE-EE · SPKI · SHA-256	D4C349E7B72F5CF4A9CEA358F98947C2…
SMTP _25._tcp.mx2-dk.centerasecurity.dk	DANE-EE · SPKI · SHA-256	56315B43B892E9AEE184919EC6A5821C…
SMTP _25._tcp.mx3-dk.centerasecurity.dk	DANE-EE · SPKI · SHA-256	56315B43B892E9AEE184919EC6A5821C…
SMTP _25._tcp.mx3-dk.centerasecurity.dk	DANE-EE · SPKI · SHA-256	D4C349E7B72F5CF4A9CEA358F98947C2…

🔐 DNSSEC88ms

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

🏷️ SOA0ms

Field	Value
Serial	2413423834
Primary NS (MNAME)	anirban.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

47ms

A

43ms

MX

53ms

AAAA

55ms

TXT

309ms

CAA

55ms

HTTPS

93ms

TLSA

95ms

SOA

0ms

MTA-STS

76ms

DNSSEC

88ms

SRV

115ms

Total

1192ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-01 08:48:09	1192ms	2 NS 2 A 3 MX	🔒 Secure	View
2026-08-30 00:00:00	1929ms	2 NS 2 A 3 MX	🔒 Secure	View
2026-08-24 15:58:00	5992ms	2 NS 2 A 3 MX	🔒 Secure	View
2026-08-23 06:45:02	10130ms	2 NS 2 A 3 MX	🔒 Secure	View
2026-08-22 06:39:41	3468ms	2 NS 2 A 3 MX	🔒 Secure	View
2026-08-14 17:53:22	4303ms	2 NS 2 A 3 MX	🔒 Secure	View
2026-07-29 22:13:51	2393ms	2 NS 2 A 3 MX	🔒 Secure	View
2026-07-06 11:19:55	7272ms	2 NS 2 A 3 MX	🔒 Secure	View
2026-07-01 00:51:46	1031ms	2 NS 2 A 3 MX	🔒 Secure	View
2026-06-20 23:48:00	1468ms	2 NS 2 A 3 MX	🔒 Secure	View
2026-06-20 22:14:30	1103ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-17 12:08:33	1250ms	2 NS 2 A 3 MX	🔒 Secure	View