3k.dk DNS records

🖥️ Nameservers3 records 56ms

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 Records

🌍

No A records found

📧 MX Records1 records 63ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	3k-dk.mail.protection.outlook.com	2a01:111:f403:ca04::f 2a01:111:f403:ca09::1 2a01:111:f403:ca09::8 2a01:111:f403:ca09::b 52.101.68.3 52.101.68.39 52.101.73.153 52.101.73.16	mail-db7pr03cu00507.inbound.protection.outlook.com mail-as9pr07cu00301.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-am7pr05cu00103.inbound.protection.outlook.com mail-db7pr03cu00403.inbound.protection.outlook.com mail-db7pr03cu00607.inbound.protection.outlook.com mail-as8pr05cu00401.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

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records2 records 197ms

TXT Record
MS=ms72444321
v=spf1 mx ip4:185.221.30.90 ip4:185.221.30.32 include:spf.protection.outlook.com include:spf.simply.com -all

✉️ SPF

Policy	Record (3k.dk)
-all (hard fail)	v=spf1 mx ip4:185.221.30.90 ip4:185.221.30.32 include:spf.protection.outlook.com include:spf.simply.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

🔗 TLSA / DANE

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

🔐 DNSSEC130ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	resolution failed: ncache nxrrset

🏷️ SOA0ms

Field	Value
Serial	2024031200
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

56ms

A

77ms

MX

63ms

AAAA

54ms

TXT

197ms

CAA

70ms

HTTPS

56ms

TLSA

631ms

SOA

0ms

MTA-STS

102ms

DNSSEC

130ms

SRV

93ms

Total

1407ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 02:41:20	1407ms	3 NS 0 A 1 MX	🔒 Secure	View
2026-08-26 02:05:49	858ms	3 NS 0 A 1 MX	🔒 Secure	View
2026-06-28 13:22:52	780ms	3 NS 0 A 1 MX	🔒 Secure	View
2026-06-24 14:31:30	3153ms	3 NS 0 A 1 MX	⚠️ Bogus	View
2026-06-23 12:12:43	1096ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-19 18:22:25	4568ms	3 NS 0 A 1 MX	🔒 Secure	View
2026-06-16 12:47:13	1090ms	3 NS 0 A 1 MX	🔒 Secure	View