niels-bjorn.dk DNS records

🖥️ Nameservers2 records 83ms

Nameserver	IP addresses	PTR	ASN / ISP
demi.ns.cloudflare.com	108.162.192.95 172.64.32.95 173.245.58.95 2606:4700:50::adf5:3a5f 2803:f800:50::6ca2:c05f 2a06:98c1:50::ac40:205f	demi.ns.cloudflare.com demi.ns.cloudflare.com demi.ns.cloudflare.com demi.ns.cloudflare.com demi.ns.cloudflare.com demi.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
rajeev.ns.cloudflare.com	108.162.193.224 172.64.33.224 173.245.59.224 2606:4700:58::adf5:3be0 2803:f800:50::6ca2:c1e0 2a06:98c1:50::ac40:21e0	rajeev.ns.cloudflare.com rajeev.ns.cloudflare.com rajeev.ns.cloudflare.com rajeev.ns.cloudflare.com rajeev.ns.cloudflare.com rajeev.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records1 records 73ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.187.145.40	300s	—	AS201505	Antenneforeningen Aarhus	185.187.144.0/22	🇩🇰 Denmark	Aarhus

📧 MX Records1 records 85ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mail.niels-bjorn.dk	185.187.145.40	—	AS201505 Antenneforeningen Aarhus

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 338ms

TXT Record
v=spf1 mx -all

✉️ SPF

Policy	Record (niels-bjorn.dk)
-all (hard fail)	v=spf1 mx -all

📨 DMARC

Policy	Record (_dmarc.niels-bjorn.dk)
p=quarantine	v=DMARC1; p=quarantine; rua=mailto:postmaster@niels-bjorn.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

🔏 ACME Challenge

Type	Name	Value
TXT	_acme-challenge.niels-bjorn.dk	aizibAaJSRVc3dsC_mbvLw2kyYh4Os7AAPbvcyftE2Q

🔗 TLSA / DANE

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

🔐 DNSSEC227ms

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	2413683752
Primary NS (MNAME)	demi.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

83ms

A

73ms

MX

85ms

AAAA

84ms

TXT

338ms

CAA

105ms

HTTPS

123ms

TLSA

384ms

SOA

0ms

MTA-STS

154ms

DNSSEC

227ms

SRV

134ms

Total

1224ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-01 10:46:53	1224ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-08-28 12:28:46	1116ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-08-27 12:10:26	9579ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-08-26 22:52:39	565ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-08-15 01:12:23	2877ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-08-04 00:32:43	945ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-19 23:46:11	3471ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-17 13:28:58	603ms	2 NS 1 A 1 MX	🔓 Insecure	View