zinsser-analytic.dk DNS records

🖥️ Nameservers2 records 31ms

Nameserver	IP addresses	PTR	ASN / ISP
joan.ns.cloudflare.com	108.162.192.173 172.64.32.173 173.245.58.173 2606:4700:50::adf5:3aad 2803:f800:50::6ca2:c0ad 2a06:98c1:50::ac40:20ad	joan.ns.cloudflare.com joan.ns.cloudflare.com joan.ns.cloudflare.com joan.ns.cloudflare.com joan.ns.cloudflare.com joan.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
owen.ns.cloudflare.com	108.162.193.219 172.64.33.219 173.245.59.219 2606:4700:58::adf5:3bdb 2803:f800:50::6ca2:c1db 2a06:98c1:50::ac40:21db	owen.ns.cloudflare.com owen.ns.cloudflare.com owen.ns.cloudflare.com owen.ns.cloudflare.com owen.ns.cloudflare.com owen.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 30ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.79.24	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.168.182	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records

📧

No MX records found

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	172.67.168.182
🔶 Autoconfig	104.21.79.24

🔷 AAAA Records (IPv6)2 records 30ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3033::ac43:a8b6	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::6815:4f18	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=104.21.79.24,172.67.168.182 ech=AEX+DQBBcQAgACBkfm1S7HFPnDcTlA7LUQ5Nj30V6DXfmPds9fhKyShMSQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::ac43:a8b6,2606:4700:3037::6815:4f18

📝 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)

🔐 DNSSEC107ms

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

🏷️ SOA0ms

Field	Value
Serial	2413982166
Primary NS (MNAME)	joan.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

31ms

A

30ms

MX

27ms

AAAA

30ms

TXT

166ms

CAA

36ms

HTTPS

25ms

TLSA

46ms

SOA

0ms

MTA-STS

52ms

DNSSEC

107ms

SRV

57ms

Total

497ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-04 11:17:19	497ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-08-31 14:16:46	1736ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-08-29 09:28:34	1129ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-08-17 17:17:00	9846ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-07-24 16:05:12	770ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-07-09 01:07:00	887ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-07-01 11:17:24	791ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-17 23:13:30	3451ms	2 NS 2 A 0 MX	🔓 Insecure	View