ckjaersig.dk DNS records

🖥️ Nameservers2 records 69ms

Nameserver	IP addresses	PTR	ASN / ISP
bryce.ns.cloudflare.com	108.162.195.137 162.159.44.137 172.64.35.137 2606:4700:58::a29f:2c89 2803:f800:50::6ca2:c389 2a06:98c1:50::ac40:2389	bryce.ns.cloudflare.com bryce.ns.cloudflare.com bryce.ns.cloudflare.com bryce.ns.cloudflare.com bryce.ns.cloudflare.com bryce.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
kristin.ns.cloudflare.com	108.162.192.181 172.64.32.181 173.245.58.181 2606:4700:50::adf5:3ab5 2803:f800:50::6ca2:c0b5 2a06:98c1:50::ac40:20b5	kristin.ns.cloudflare.com kristin.ns.cloudflare.com kristin.ns.cloudflare.com kristin.ns.cloudflare.com kristin.ns.cloudflare.com kristin.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 83ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.9.189	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.189.132	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records1 records 81ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mx.simply.com	94.231.106.20	mx.simply.com	AS48854 team.blue Denmark A/S

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	172.67.189.132
🔶 Autoconfig	104.21.9.189

🔷 AAAA Records (IPv6)2 records 74ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3033::6815:9bd	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3036::ac43:bd84	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 90ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.9.189,172.67.189.132 ech=AEX+DQBBTwAgACBkZm1uIY+/MIQZO/yAHC66UncshenTZuuMNcRj9Z1FdAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:9bd,2606:4700:3036::ac43:bd84

📝 TXT Records2 records 292ms

TXT Record
google-site-verification=SGUnT34zMNNX5odia1atEDjgEpPQ8SE_apr_ZkxGuGs
v=spf1 include:spf.simply.com include:mailgun.org include:relay.mailchannels.net ~all

✉️ SPF

Policy	Record (ckjaersig.dk)
~all (soft fail)	v=spf1 include:spf.simply.com include:mailgun.org include:relay.mailchannels.net ~all

📨 DMARC

Policy	Record (_dmarc.ckjaersig.dk)
p=quarantine	v=DMARC1; p=quarantine; rua=mailto:dmarc@ckjaersig.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 / DANE2 records 124ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx.simply.com	DANE-EE · SPKI · SHA-256	A9D603AF4D7ED6B9246B4B68500CD6F2…
SMTP _25._tcp.mx.simply.com	DANE-EE · SPKI · SHA-256	97A3BA009F39C761BFFB6574340E8138…

🔐 DNSSEC174ms

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	2413438869
Primary NS (MNAME)	bryce.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

69ms

A

83ms

MX

81ms

AAAA

74ms

TXT

292ms

CAA

75ms

HTTPS

90ms

TLSA

124ms

SOA

0ms

MTA-STS

109ms

DNSSEC

174ms

SRV

122ms

Total

1016ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-29 20:30:00	1016ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-26 15:13:52	1102ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-25 12:31:38	666ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-20 16:22:14	2342ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-26 15:27:39	596ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-16 22:46:34	65535ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-16 21:24:15	1543ms	4 NS 1 A 1 MX	⚠️ Bogus	View
2026-06-16 21:09:36	392ms	4 NS 1 A 1 MX	⚠️ Bogus	View
2026-06-16 21:00:35	625ms	4 NS 1 A 1 MX	🔒 Secure	View