4t.dk DNS records

🖥️ Nameservers2 records 39ms

Nameserver	IP addresses	PTR	ASN / ISP
ns.scannet2.dk	185.25.141.9 2a02:2339:4006:10d::4171:4171	ns1.scannet.dk ns1.scannet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.scannet2.dk	2a02:2339:1:112:0:5:1:b11 91.197.248.72	ns2.scannet.dk ns2.scannet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records1 records 49ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.21.42.206	3600s	linux201.scannet.dk	AS48854	team.blue Denmark A/S	185.21.40.0/22	🇩🇰 Denmark	—

📧 MX Records1 records 52ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	4t-dk.mail.protection.outlook.com	2a01:111:f403:ca04::5 2a01:111:f403:ca09::1 2a01:111:f403:ca09::8 2a01:111:f403:ca09::d 52.101.68.36 52.101.68.39 52.101.73.11 52.101.73.145	mail-db3pr0202cu00205.inbound.protection.outlook.com mail-as9pr07cu00301.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-as9pr05cu01305.inbound.protection.outlook.com mail-db5pr02cu00104.inbound.protection.outlook.com mail-db7pr03cu00607.inbound.protection.outlook.com mail-am1pr04cu00103.inbound.protection.outlook.com mail-am6pr02cu00301.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

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 69ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records2 records 196ms

TXT Record
MS=ms84043564
v=spf1 include:spf.protection.outlook.com include:_spf.salesforce.com ip4:34.243.92.178 -all

✉️ SPF

Policy	Record (4t.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:_spf.salesforce.com ip4:34.243.92.178 -all

📨 DMARC

✗ No DMARC record — mail spoofing not restricted

📬 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

🔗 TLSA / DANE

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

🔐 DNSSEC153ms

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

🏷️ SOA0ms

Field	Value
Serial	2026051302
Primary NS (MNAME)	ns.scannet2.dk
Responsible (RNAME)	hostmaster@scannet.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

39ms

A

49ms

MX

52ms

AAAA

54ms

TXT

196ms

CAA

69ms

HTTPS

45ms

TLSA

316ms

SOA

0ms

MTA-STS

89ms

DNSSEC

153ms

SRV

69ms

Total

1250ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-28 01:21:35	1250ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-28 18:27:49	730ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-22 06:40:46	6793ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-22 04:28:06	999ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-20 15:43:58	1501ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-20 05:14:49	617ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-16 12:53:12	1440ms	2 NS 1 A 1 MX	🔒 Secure	View