51487.dk DNS records

🖥️ Nameservers2 records 98ms

Nameserver	IP addresses	PTR	ASN / ISP
ns.nsd.dk	172.104.147.68	ns.nsd.dk	AS63949 Akamai Connected Cloud
ns2.nsd.dk	62.242.205.2	ns2.nsd.dk	AS3292 TDC Holding A/S

🌍 A Records1 records 131ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
139.177.181.70	86400s	web002.nsdhosting.dk	AS63949	Akamai Connected Cloud	139.177.176.0/20	🇩🇪 Germany	Frankfurt am Main

📧 MX Records2 records 145ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
30	86400s	d336952.a.ess.de.barracudanetworks.com	18.185.115.250 18.185.115.251 18.185.115.252	mail.ess.de.barracuda.com mail.ess.de.barracuda.com mail.ess.de.barracuda.com	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.
40	86400s	d336952.b.ess.de.barracudanetworks.com	18.185.115.250 18.185.115.251 18.185.115.252	mail.ess.de.barracuda.com mail.ess.de.barracuda.com mail.ess.de.barracuda.com	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.

📧 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 425ms

TXT Record
MS=ms86304542
v=spf1 include:spf.protection.outlook.com a:antispam.nsd.dk -all

✉️ SPF

Policy	Record (51487.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com a:antispam.nsd.dk -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)

🔐 DNSSEC284ms

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	2026082506
Primary NS (MNAME)	ns.nsd.dk
Responsible (RNAME)	root@ns.nsd.dk
Refresh	10800s
Retry	3600s
Expire	604800s
Minimum (neg-cache TTL)	86400s

📋 RegistrationWHOIS fetched 2026-07-12 14:30:01

Field	Value
Registrar	NETPLAN SYSTEM DESIGN.DK ApS
Registered	2004-03-22
Expires	2027-03-31 (210d)

📋 WHOIS

⏱️ Lookup Timing

NS

98ms

A

131ms

MX

145ms

AAAA

132ms

TXT

425ms

CAA

136ms

HTTPS

125ms

TLSA

256ms

SOA

0ms

MTA-STS

197ms

DNSSEC

284ms

SRV

322ms

Total

1928ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-25 14:39:00	1928ms	2 NS 1 A 2 MX	🔓 Insecure	View
2026-08-21 02:28:36	7428ms	2 NS 1 A 2 MX	🔓 Insecure	View
2026-08-19 00:41:07	5623ms	2 NS 1 A 2 MX	🔓 Insecure	View
2026-08-17 22:23:59	10005ms	2 NS 1 A 2 MX	🔓 Insecure	View
2026-08-15 00:34:56	1133ms	2 NS 1 A 2 MX	🔓 Insecure	View
2026-08-07 07:31:38	1534ms	2 NS 1 A 2 MX	🔓 Insecure	View
2026-07-29 16:17:14	1220ms	2 NS 1 A 2 MX	🔓 Insecure	View
2026-07-24 16:10:31	8828ms	2 NS 1 A 2 MX	🔓 Insecure	View
2026-07-23 14:50:46	888ms	2 NS 1 A 2 MX	🔓 Insecure	View
2026-07-12 14:29:07	1108ms	2 NS 1 A 2 MX	🔓 Insecure	View
2026-07-08 14:50:03	1163ms	2 NS 1 A 2 MX	🔓 Insecure	View
2026-07-07 00:29:24	33550ms	2 NS 1 A 2 MX	🔓 Insecure	View
2026-07-03 11:41:19	889ms	2 NS 1 A 2 MX	🔓 Insecure	View
2026-06-25 15:27:03	1998ms	2 NS 1 A 2 MX	🔓 Insecure	View
2026-06-23 23:43:19	958ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-18 08:42:53	933ms	2 NS 1 A 2 MX	🔓 Insecure	View
2026-06-16 12:39:24	787ms	2 NS 1 A 2 MX	🔓 Insecure	View