thomas-kramer.dk DNS records

🖥️ Nameservers2 records 206ms

Nameserver	IP addresses	PTR	ASN / ISP
betty.ns.cloudflare.com	108.162.192.75 172.64.32.75 173.245.58.75 2606:4700:50::adf5:3a4b 2803:f800:50::6ca2:c04b 2a06:98c1:50::ac40:204b	betty.ns.cloudflare.com betty.ns.cloudflare.com betty.ns.cloudflare.com betty.ns.cloudflare.com betty.ns.cloudflare.com betty.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
koa.ns.cloudflare.com	108.162.195.242 162.159.44.242 172.64.35.242 2606:4700:58::a29f:2cf2 2803:f800:50::6ca2:c3f2 2a06:98c1:50::ac40:23f2	koa.ns.cloudflare.com koa.ns.cloudflare.com koa.ns.cloudflare.com koa.ns.cloudflare.com koa.ns.cloudflare.com koa.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 210ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.33.72	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.159.251	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records1 records 240ms

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

🔷 AAAA Records (IPv6)2 records 211ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3033::ac43:9ffb	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::6815:2148	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 214ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.33.72,172.67.159.251 ech=AEX+DQBBbwAgACCm1J1Xzz838Cnn0ntxbUTpVPb9jzoJq0gZbDTDhHupfQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::ac43:9ffb,2606:4700:3037::6815:2148

📝 TXT Records

📝

No TXT records found

✉️ SPF

✗ No SPF record — mail spoofing not restricted

📨 DMARC

Policy	Record (_dmarc.thomas-kramer.dk)
p=none (monitor only)	v=DMARC1; p=none;

📬 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 294ms

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…

🔐 DNSSEC444ms

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	2412362174
Primary NS (MNAME)	betty.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

206ms

A

210ms

MX

240ms

AAAA

211ms

TXT

667ms

CAA

220ms

HTTPS

214ms

TLSA

294ms

SOA

0ms

MTA-STS

277ms

DNSSEC

444ms

SRV

275ms

Total

5072ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-17 23:32:14	5072ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-16 08:05:38	1165ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-15 02:35:58	1139ms	2 NS 2 A 1 MX	❓ Unknown	View
2026-08-13 10:41:55	5301ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-18 06:53:44	643ms	4 NS 1 A 1 MX	🔒 Secure	View