careermentor.dk DNS records

🖥️ Nameservers2 records 50ms

Nameserver	IP addresses	PTR	ASN / ISP
ivan.ns.cloudflare.com	108.162.193.120 172.64.33.120 173.245.59.120 2606:4700:58::adf5:3b78 2803:f800:50::6ca2:c178 2a06:98c1:50::ac40:2178	ivan.ns.cloudflare.com ivan.ns.cloudflare.com ivan.ns.cloudflare.com ivan.ns.cloudflare.com ivan.ns.cloudflare.com ivan.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
leah.ns.cloudflare.com	108.162.192.129 172.64.32.129 173.245.58.129 2606:4700:50::adf5:3a81 2803:f800:50::6ca2:c081 2a06:98c1:50::ac40:2081	leah.ns.cloudflare.com leah.ns.cloudflare.com leah.ns.cloudflare.com leah.ns.cloudflare.com leah.ns.cloudflare.com leah.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 10ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.31.213	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.179.251	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records1 records 16ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mx.unoeuro.com	94.231.106.20	mx.simply.com	AS48854 team.blue Denmark A/S

🔷 AAAA Records (IPv6)2 records 16ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::6815:1fd5	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000::/42	—	—
2606:4700:3037::ac43:b3fb	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000::/42	—	—

🔐 HTTPS Records1 records 32ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.31.213,172.67.179.251 ech=AEX+DQBB6AAgACCvoiLeBZdUDTpbq/XFS5YS3KccMWGPe2397xL0nTaPIgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:1fd5,2606:4700:3037::ac43:b3fb

📝 TXT Records5 records 72ms

TXT Record
firebase=careermentor-da3ae
google-site-verification=JE4K2zVnj8ZuOUA2OZfZDNzTH-bhffc-rW2GCpotUMI
v=spf1 include:_spf.firebasemail.com ~all
v=spf1 include:spf.simply.com -all
v=spf1 include:spf.unoeuro.com ~all

✉️ SPF

⚠ Multiple SPF records — RFC 7208 §4.5 violation (receivers must treat this as permerror)

Policy	Record (careermentor.dk)
~all (soft fail)	v=spf1 include:_spf.firebasemail.com ~all
-all (hard fail)	v=spf1 include:spf.simply.com -all
~all (soft fail)	v=spf1 include:spf.unoeuro.com ~all

📨 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)

🔐 DNSSEC111ms

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

🏷️ SOA16ms

Field	Value
Serial	2409712386
Primary NS (MNAME)	ivan.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

50ms

A

10ms

MX

16ms

AAAA

16ms

TXT

72ms

CAA

7ms

HTTPS

32ms

TLSA

92ms

SOA

16ms

MTA-STS

18ms

DNSSEC

111ms

SRV

0ms

Total

2796ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-18 17:27:48	2796ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-07-17 01:46:46	872ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-07-15 22:18:29	1729ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-27 17:01:56	1465ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-20 15:06:17	629ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-16 19:26:36	389ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-16 19:21:00	572ms	2 NS 2 A 1 MX	🔓 Insecure	View