3fkøbenhavn.dk DNS records

🖥️ Nameservers4 records 115ms

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
ns4.simply.com	91.197.248.80	ns4.simply.com	AS48854 team.blue Denmark A/S

🌍 A Records

🌍

No A records found

📧 MX Records

📧

No MX records found

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records

📝

No TXT records found

✉️ SPF

✗ No SPF record — mail spoofing not restricted

📨 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)

🔐 DNSSEC241ms

Check	Result
Validation Status	❓ Unknown
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	resolution failed: failure

🏷️ SOA

✗ No SOA record found

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

115ms

A

114ms

MX

114ms

AAAA

116ms

TXT

551ms

CAA

120ms

HTTPS

132ms

TLSA

143ms

SOA

128ms

MTA-STS

132ms

DNSSEC

241ms

SRV

132ms

Total

1617ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-03 06:53:29	1617ms	4 NS 0 A 0 MX	❓ Unknown	View
2026-08-26 19:16:44	10248ms	4 NS 0 A 0 MX	❓ Unknown	View
2026-08-23 23:19:10	6923ms	4 NS 0 A 0 MX	❓ Unknown	View
2026-08-22 16:44:02	5687ms	4 NS 0 A 0 MX	❓ Unknown	View
2026-08-21 16:30:54	1896ms	4 NS 0 A 0 MX	❓ Unknown	View
2026-08-20 16:20:10	1879ms	4 NS 0 A 0 MX	❓ Unknown	View
2026-08-19 12:04:15	8398ms	4 NS 0 A 0 MX	❓ Unknown	View
2026-08-18 12:01:02	1614ms	4 NS 0 A 0 MX	❓ Unknown	View
2026-08-17 02:02:45	1238ms	4 NS 0 A 0 MX	❓ Unknown	View
2026-08-15 21:55:50	5558ms	4 NS 0 A 0 MX	❓ Unknown	View
2026-08-14 00:20:45	3283ms	4 NS 0 A 0 MX	❓ Unknown	View
2026-08-12 10:22:10	3340ms	4 NS 0 A 0 MX	❓ Unknown	View
2026-08-11 04:27:51	3303ms	4 NS 0 A 0 MX	❓ Unknown	View
2026-08-09 17:09:57	1403ms	4 NS 0 A 0 MX	❓ Unknown	View
2026-07-28 22:51:36	10183ms	4 NS 0 A 0 MX	❓ Unknown	View
2026-07-27 16:38:47	1118ms	4 NS 0 A 0 MX	❓ Unknown	View
2026-07-26 16:21:42	1230ms	4 NS 0 A 0 MX	❓ Unknown	View
2026-07-25 16:09:17	1440ms	4 NS 0 A 0 MX	❓ Unknown	View
2026-07-24 15:20:45	1209ms	4 NS 0 A 0 MX	❓ Unknown	View
2026-07-23 15:10:48	1336ms	4 NS 0 A 0 MX	❓ Unknown	View
2026-07-22 12:58:23	3430ms	4 NS 0 A 0 MX	❓ Unknown	View
2026-07-21 07:45:54	1633ms	4 NS 0 A 0 MX	❓ Unknown	View
2026-07-19 23:16:36	5301ms	4 NS 0 A 0 MX	❓ Unknown	View
2026-07-18 20:52:18	1298ms	4 NS 0 A 0 MX	❓ Unknown	View
2026-07-17 16:02:12	1255ms	4 NS 0 A 0 MX	❓ Unknown	View