dk4.dk DNS records

🖥️ Nameservers3 records 35ms

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

🌍 A Records1 records 76ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
194.255.47.196	3600s	emea.denmark.3513.ip4.regusnet.com	AS3308	Norlys Digital A/S	194.255.0.0/16	🇩🇰 Denmark	Copenhagen

📧 MX Records1 records 59ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	dk4-dk.mail.protection.outlook.com	2a01:111:f403:ca04::10 2a01:111:f403:ca09::9 2a01:111:f403:ca3c::6 2a01:111:f403:ca48::a 52.101.68.12 52.101.68.25 52.101.68.39 52.101.91.153	mail-dbapr03cu00100.inbound.protection.outlook.com mail-as8pr04cu00801.inbound.protection.outlook.com mail-zrxpr04cu00106.inbound.protection.outlook.com mail-miypr02cu00202.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-db8pr02cu00101.inbound.protection.outlook.com mail-db7pr03cu00607.inbound.protection.outlook.com mail-matpr04cu00101.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	194.255.47.196

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 77ms

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

📝 TXT Records4 records 156ms

TXT Record
_globalsign-domain-verification=wHKZfbH0kF_P20RqSciRXgxLcghZO8HQChR6jWxe3v
MS=ms35000043
MS=ms39881109
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (dk4.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com -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

🔏 ACME Challenge

Type	Name	Value
TXT	_acme-challenge.dk4.dk	3jcFzRRBdJVp6s0DRVlqUnMrfs9nNutq49RIXhCtsd8
TXT	_acme-challenge.dk4.dk	Uw5W4OUC1qhIUeQ5bv5AgdHTt_g3xQ8KrOdJU-tiI1g

🔗 TLSA / DANE

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

🔐 DNSSEC172ms

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

🏷️ SOA0ms

Field	Value
Serial	2026090201
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

35ms

A

76ms

MX

59ms

AAAA

88ms

TXT

156ms

CAA

76ms

HTTPS

54ms

TLSA

843ms

SOA

0ms

MTA-STS

74ms

DNSSEC

172ms

SRV

77ms

Total

1778ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-03 15:00:49	1778ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-27 03:09:39	1321ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-03 13:37:37	795ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-01 12:25:04	1452ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-06-27 15:15:40	843ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-06-23 16:14:00	1522ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-06-20 21:01:41	866ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 03:45:26	698ms	3 NS 1 A 1 MX	🔒 Secure	View