amsterdam.dk

📜 Historical scan 2026-06-24 19:22:20 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

amsterdam.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 6 October 1997 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 178.20.216.181 is hosted by Atea A/S (AS21060) in Denmark. Mail is handled by server.cooperante.dk. The zone is not DNSSEC-signed, has no DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

3 records 235ms

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#

1 records 268ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
178.20.216.181	28800s	server.cooperante.dk	AS21060	Atea A/S	178.20.216.0/23	🇩🇰 Denmark	—

📧 MX Records#

1 records 256ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	server.cooperante.dk	178.20.216.181	server.cooperante.dk	AS21060 Atea A/S

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	178.20.216.181
🔶 Autoconfig	178.20.216.181

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 626ms

TXT Record
google-site-verification=oW3Os5PJ2vlVlmqjPBUMr7SaZh66BpWw5Xmb3d6QRDo

✉️ 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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-12 14:52:27

www	178.20.216.181 (AS21060) (address records, no CNAME)
www vs bare domain	Same network amsterdam.dk: 178.20.216.181 (AS21060) www.amsterdam.dk: 178.20.216.181 (AS21060)
Wildcard	Yes: any name under the zone resolves
Denial of existence	NSEC zone can be walked (all names enumerable)
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

🔗 TLSA / DANE#

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

🔐 DNSSEC#

357ms

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

🏷️ SOA#

233ms

Field	Value
Serial	2026062201
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-04 18:16:18

Field	Value
Registrar	Simply.com A/S
Registered	1997-10-06
Expires	2026-12-31 (73d)

📋 WHOIS#

⏱️ Lookup Timing#

235ms

268ms

256ms

AAAA

311ms

TXT

626ms

CAA

257ms

HTTPS

244ms

TLSA

136ms

SOA

233ms

MTA-STS

367ms

DNSSEC

357ms

SRV

307ms

Total

2023ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-12 14:52:27	1787ms	3 NS 1 A 1 MX	🔓 Insecure
2026-10-04 17:23:48	348ms	3 NS 1 A 1 MX	🔓 Insecure
2026-08-27 18:45:39	608ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-24 19:22:20 shown	2023ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-16 13:27:18	525ms	2 NS 1 A 1 MX	🔓 Insecure