4o.dk DNS records

🖥️ Nameservers2 records 65ms

Nameserver	IP addresses	PTR	ASN / ISP
melinda.ns.cloudflare.com	108.162.192.198 172.64.32.198 173.245.58.198 2606:4700:50::adf5:3ac6 2803:f800:50::6ca2:c0c6 2a06:98c1:50::ac40:20c6	melinda.ns.cloudflare.com melinda.ns.cloudflare.com melinda.ns.cloudflare.com melinda.ns.cloudflare.com melinda.ns.cloudflare.com melinda.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
tom.ns.cloudflare.com	108.162.193.147 172.64.33.147 173.245.59.147 2606:4700:58::adf5:3b93 2803:f800:50::6ca2:c193 2a06:98c1:50::ac40:2193	tom.ns.cloudflare.com tom.ns.cloudflare.com tom.ns.cloudflare.com tom.ns.cloudflare.com tom.ns.cloudflare.com tom.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records1 records 65ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.5.54.181	300s	—	AS212531	UAB Interneto vizija	185.5.52.0/22	🇱🇹 Lithuania	Vilnius

📧 MX Records1 records 66ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mail.4o.dk	83.89.250.10	0x5359fa0a.static.cust.fastspeed.dk	AS3292 TDC Holding A/S

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	83.89.250.10
🔶 Autoconfig	83.89.250.10

🔷 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)

🔐 DNSSEC134ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA0ms

Field	Value
Serial	2410637421
Primary NS (MNAME)	melinda.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

65ms

A

65ms

MX

66ms

AAAA

52ms

TXT

268ms

CAA

52ms

HTTPS

98ms

TLSA

226ms

SOA

0ms

MTA-STS

112ms

DNSSEC

134ms

SRV

156ms

Total

913ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 17:02:31	913ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-07-29 06:13:40	3518ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-07-27 13:22:21	875ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-07-25 12:34:32	1311ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-27 16:58:57	873ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-19 22:03:51	4822ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-19 05:59:06	956ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-16 12:42:23	527ms	2 NS 1 A 1 MX	🔓 Insecure	View