rotterdam.dk DNS records

🖥️ Nameservers2 records 51ms

Nameserver	IP addresses	PTR	ASN / ISP
ishaan.ns.cloudflare.com	108.162.195.213 162.159.44.213 172.64.35.213 2606:4700:58::a29f:2cd5 2803:f800:50::6ca2:c3d5 2a06:98c1:50::ac40:23d5	ishaan.ns.cloudflare.com ishaan.ns.cloudflare.com ishaan.ns.cloudflare.com ishaan.ns.cloudflare.com ishaan.ns.cloudflare.com ishaan.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
karina.ns.cloudflare.com	108.162.192.178 172.64.32.178 173.245.58.178 2606:4700:50::adf5:3ab2 2803:f800:50::6ca2:c0b2 2a06:98c1:50::ac40:20b2	karina.ns.cloudflare.com karina.ns.cloudflare.com karina.ns.cloudflare.com karina.ns.cloudflare.com karina.ns.cloudflare.com karina.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 36ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.72.108	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.181.172	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records

📧

No MX records found

🔷 AAAA Records (IPv6)2 records 43ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::6815:486c	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3032::ac43:b5ac	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 49ms

Priority	Target	SvcParams
1 service	.	alpn="h2" ipv4hint=104.21.72.108,172.67.181.172 ech=AEX+DQBB0gAgACCWqNzldRWGJxxyDdj9ZKlO5jl4DpUWwjyYc+Nu0s9tKQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:486c,2606:4700:3032::ac43:b5ac

📝 TXT Records1 records 189ms

TXT Record
google-site-verification=nQj5qUzTFkBiydf-uJocxBezrowqwXe5vaU_2x4TIVQ

✉️ 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)

🔐 DNSSEC95ms

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	2412965719
Primary NS (MNAME)	ishaan.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

51ms

A

36ms

MX

45ms

AAAA

43ms

TXT

189ms

CAA

61ms

HTTPS

49ms

TLSA

62ms

SOA

0ms

MTA-STS

70ms

DNSSEC

95ms

SRV

73ms

Total

705ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-24 18:25:17	705ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-08-20 20:40:48	11131ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-08-09 23:33:52	3200ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-29 11:14:16	732ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-25 14:36:20	3349ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-25 07:35:33	1953ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-23 23:07:02	2805ms	2 NS 2 A 0 MX	❓ Unknown	View
2026-06-19 19:48:36	637ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-17 17:47:01	1397ms	2 NS 2 A 0 MX	🔓 Insecure	View