gustavk-h.dk DNS records

🖥️ Nameservers2 records 62ms

Nameserver	IP addresses	PTR	ASN / ISP
ed.ns.cloudflare.com	108.162.193.111 172.64.33.111 173.245.59.111 2606:4700:58::adf5:3b6f 2803:f800:50::6ca2:c16f 2a06:98c1:50::ac40:216f	ed.ns.cloudflare.com ed.ns.cloudflare.com ed.ns.cloudflare.com ed.ns.cloudflare.com ed.ns.cloudflare.com ed.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
rafe.ns.cloudflare.com	108.162.192.216 172.64.32.216 173.245.58.216 2606:4700:50::adf5:3ad8 2803:f800:50::6ca2:c0d8 2a06:98c1:50::ac40:20d8	rafe.ns.cloudflare.com rafe.ns.cloudflare.com rafe.ns.cloudflare.com rafe.ns.cloudflare.com rafe.ns.cloudflare.com rafe.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records1 records 65ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
93.191.156.173	300s	linux284.unoeuro.com	AS48854	team.blue Denmark A/S	93.191.152.0/21	🇩🇰 Denmark	—

📧 MX Records1 records 58ms

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
🔶 Autoconfig	104.21.22.254

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records3 records 207ms

TXT Record
openai-domain-verification=dv-X6Fp7JSwmuxRMuzF5TiqD0J3
v=spf1 include:spf.simply.com -all
v=spf1 include:spf.simply.com include:_spf.smtp.mailtrap.live -all

✉️ SPF

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

Policy	Record (gustavk-h.dk)
-all (hard fail)	v=spf1 include:spf.simply.com -all
-all (hard fail)	v=spf1 include:spf.simply.com include:_spf.smtp.mailtrap.live -all

📨 DMARC

Policy	Record (_dmarc.gustavk-h.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:dmarc@smtp.mailtrap.live; ruf=mailto:dmarc@smtp.mailtrap.live; rf=afrf; pct=100

📬 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.gustavk-h.dk	E6618jOvmQdXYP5mkMjCZkBthP46Z19V1h_DB7am4qU
TXT	_acme-challenge.gustavk-h.dk	dPUxMExrtLjJE-bXmuAjgf4fxd1h3lImN0B8O8yKtdM

🔗 TLSA / DANE2 records 53ms

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…

🔐 DNSSEC103ms

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	2413343751
Primary NS (MNAME)	ed.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

62ms

A

65ms

MX

58ms

AAAA

45ms

TXT

207ms

CAA

56ms

HTTPS

50ms

TLSA

53ms

SOA

0ms

MTA-STS

75ms

DNSSEC

103ms

SRV

70ms

Total

868ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-28 08:43:49	868ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-08-27 23:53:24	532ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-08-06 10:12:23	959ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-20 02:47:42	747ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-19 23:03:42	530ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-17 10:13:03	2879ms	2 NS 1 A 1 MX	🔓 Insecure	View