niels-brock.dk DNS records

🖥️ Nameservers2 records 32ms

Nameserver	IP addresses	PTR	ASN / ISP
dante.ns.cloudflare.com	108.162.195.10 162.159.44.10 172.64.35.10 2606:4700:58::a29f:2c0a 2803:f800:50::6ca2:c30a 2a06:98c1:50::ac40:230a	dante.ns.cloudflare.com dante.ns.cloudflare.com dante.ns.cloudflare.com dante.ns.cloudflare.com dante.ns.cloudflare.com dante.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
sima.ns.cloudflare.com	108.162.192.222 172.64.32.222 173.245.58.222 2606:4700:50::adf5:3ade 2803:f800:50::6ca2:c0de 2a06:98c1:50::ac40:20de	sima.ns.cloudflare.com sima.ns.cloudflare.com sima.ns.cloudflare.com sima.ns.cloudflare.com sima.ns.cloudflare.com sima.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records1 records 32ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.19.135.22	300s	—	AS199374	Syddansk Erhvervsskole Odense-Vejle	185.19.132.0/22	🇩🇰 Denmark	Odense

📧 MX Records1 records 32ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mail.niels-brock.dk	185.19.135.22	—	AS199374 Syddansk Erhvervsskole Odense-Vejle

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	185.19.135.22
🔶 Autoconfig	185.19.135.22

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 179ms

TXT Record
v=spf1 mx ip4:185.19.135.22 -all

✉️ SPF

Policy	Record (niels-brock.dk)
-all (hard fail)	v=spf1 mx ip4:185.19.135.22 -all

📨 DMARC

Policy	Record (_dmarc.niels-brock.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:dmarc-reports@niels-brock.dk

📬 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)

🔐 DNSSEC68ms

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	2410048036
Primary NS (MNAME)	dante.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

32ms

A

32ms

MX

32ms

AAAA

38ms

TXT

179ms

CAA

32ms

HTTPS

31ms

TLSA

98ms

SOA

0ms

MTA-STS

61ms

DNSSEC

68ms

SRV

66ms

Total

931ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-07-21 18:58:14	931ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-07-19 08:56:11	1804ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-27 08:34:19	1881ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-20 06:55:47	469ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-17 13:35:50	3930ms	2 NS 1 A 1 MX	🔓 Insecure	View