vonburholt.dk DNS records

🖥️ Nameservers2 records 397ms

Nameserver	IP addresses	PTR	ASN / ISP
bella.ns.cloudflare.com	108.162.192.74 172.64.32.74 173.245.58.74 2606:4700:50::adf5:3a4a 2803:f800:50::6ca2:c04a 2a06:98c1:50::ac40:204a	bella.ns.cloudflare.com bella.ns.cloudflare.com bella.ns.cloudflare.com bella.ns.cloudflare.com bella.ns.cloudflare.com bella.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
buck.ns.cloudflare.com	108.162.193.78 172.64.33.78 173.245.59.78 2606:4700:58::adf5:3b4e 2803:f800:50::6ca2:c14e 2a06:98c1:50::ac40:214e	buck.ns.cloudflare.com buck.ns.cloudflare.com buck.ns.cloudflare.com buck.ns.cloudflare.com buck.ns.cloudflare.com buck.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 427ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.75.163	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.178.189	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records1 records 402ms

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 394ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3033::6815:4ba3	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3035::ac43:b2bd	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 439ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.75.163,172.67.178.189 ech=AEX+DQBBcwAgACDGzFTteLQKl5LMA7ei3HVP9pZ3UMQS+1xorruX1g8bVAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:4ba3,2606:4700:3035::ac43:b2bd

📝 TXT Records2 records 1070ms

TXT Record
apple-domain-verification=Avsw3WvmSjbhHQLc
v=spf1 include:spf.simply.com ~all

✉️ SPF

Policy	Record (vonburholt.dk)
~all (soft fail)	v=spf1 include:spf.simply.com ~all

📨 DMARC

Policy	Record (_dmarc.vonburholt.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:smil@vonburholt.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 330ms

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

🔐 DNSSEC869ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA0ms

Field	Value
Serial	2412707534
Primary NS (MNAME)	bella.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

397ms

A

427ms

MX

402ms

AAAA

394ms

TXT

1070ms

CAA

405ms

HTTPS

439ms

TLSA

330ms

SOA

0ms

MTA-STS

577ms

DNSSEC

869ms

SRV

647ms

Total

12154ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-20 15:16:49	12154ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-07-28 17:32:48	1572ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-07-15 20:52:56	8840ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-07-10 22:15:43	9831ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-07-04 14:29:50	2945ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-07-03 10:12:37	619ms	3 NS 4 A 1 MX	🔒 Secure	View
2026-06-30 21:45:18	765ms	3 NS 4 A 1 MX	🔒 Secure	View
2026-06-21 19:56:21	470ms	3 NS 4 A 0 MX	🔒 Secure	View
2026-06-21 01:24:57	2297ms	3 NS 4 A 0 MX	🔒 Secure	View
2026-06-18 04:32:11	560ms	3 NS 4 A 0 MX	🔒 Secure	View