whocalls.dk DNS records

🖥️ Nameservers2 records 21ms

Nameserver	IP addresses	PTR	ASN / ISP
cass.ns.cloudflare.com	108.162.192.81 172.64.32.81 173.245.58.81 2606:4700:50::adf5:3a51 2803:f800:50::6ca2:c051 2a06:98c1:50::ac40:2051	cass.ns.cloudflare.com cass.ns.cloudflare.com cass.ns.cloudflare.com cass.ns.cloudflare.com cass.ns.cloudflare.com cass.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
todd.ns.cloudflare.com	108.162.193.146 172.64.33.146 173.245.59.146 2606:4700:58::adf5:3b92 2803:f800:50::6ca2:c192 2a06:98c1:50::ac40:2192	todd.ns.cloudflare.com todd.ns.cloudflare.com todd.ns.cloudflare.com todd.ns.cloudflare.com todd.ns.cloudflare.com todd.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 25ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.76.215	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.201.65	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records

📧

No MX records found

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	104.21.76.215
🔶 Autoconfig	172.67.201.65

🔷 AAAA Records (IPv6)2 records 27ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3033::ac43:c941	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3036::6815:4cd7	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 25ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.76.215,172.67.201.65 ech=AEX+DQBBJQAgACBpWTX7UusBv7bslDOcn7PMCQDeXHFKfUk/PjQoSL6eCAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::ac43:c941,2606:4700:3036::6815:4cd7

📝 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

🔏 ACME Challenge

Type	Name	Value
TXT	_acme-challenge.whocalls.dk	JDmJnpZNPHaq6V-6Kb3JDhuAkaUuXJyYypsm2uu9yPg
TXT	_acme-challenge.whocalls.dk	rE-eNz3yVLFijEzukfdYnbNQofrVzmZLjy8aansSyAY

🔗 TLSA / DANE

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

🔐 DNSSEC100ms

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	2413588999
Primary NS (MNAME)	cass.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

21ms

A

25ms

MX

25ms

AAAA

27ms

TXT

144ms

CAA

32ms

HTTPS

25ms

TLSA

43ms

SOA

0ms

MTA-STS

49ms

DNSSEC

100ms

SRV

50ms

Total

553ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-31 08:07:08	553ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-08-30 04:40:43	201ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-08-28 22:23:21	169ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-08-27 13:20:34	179ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-08-26 13:13:44	186ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-08-24 16:50:12	190ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-08-23 10:45:17	8712ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-08-22 09:09:15	3827ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-08-21 08:59:21	1539ms	1 NS 0 A 0 MX	❓ Unknown	View