vonburholt.dk

Records from scan: 2026-10-08 11:30:14  ·  6630ms total  ·  last checked 2026-10-17 07:44 (unchanged)
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

vonburholt.dk is a .dk domain served by 2 nameservers (bella.ns.cloudflare.com, buck.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.75.163 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx.simply.com. The zone is DNSSEC-signed and validates, publishes a DMARC policy and is reachable over IPv6. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records   159ms
NameserverIP addressesPTRASN / 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 Records#

2 records   70ms
IPTTLPTRASNISP / OrgCIDRCountryCity
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 Records#

1 records   207ms
PriorityTTLMail ServerIP addressesPTRASN
10 300s mx.simply.com 94.231.106.20 mx.simply.com AS48854 team.blue Denmark A/S

🔷 AAAA Records (IPv6)#

2 records   89ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
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 Records#

1 records   89ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.75.163,172.67.178.189 ech=AEX+DQBBTgAgACAnNE9Fl8m7N+Q27jE4rqmPcAsd/PrNePHnoeg/PJ9RAwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:4ba3,2606:4700:3035::ac43:b2bd

📝 TXT Records#

2 records   2476ms
TXT Record
apple-domain-verification=Avsw3WvmSjbhHQLc
v=spf1 include:spf.simply.com ~all

✉️ SPF#

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

📨 DMARC#

PolicyRecord (_dmarc.vonburholt.dk)
p=quarantine v=DMARC1; p=quarantine; pct=25; 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

🧩 Web & zone#

checked 2026-10-08 11:30:14
www104.21.75.163 172.67.178.189 2606:4700:3033::6815:4ba3 2606:4700:3035::ac43:b2bd (AS13335) (address records, no CNAME)
www vs bare domainSame network
WildcardNo
Denial of existenceCompact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEYPublished: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

3 records   283ms
Service / OwnerTypeCert 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…
SMTP _25._tcp.mx.simply.com DANE-EE · SPKI · SHA-256 4B949F05A63FED95FC94B3A83DD70167…

🔐 DNSSEC#

307ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

138ms
FieldValue
Serial2416854737
Primary NS (MNAME)bella.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup
📋 WHOIS#

⏱️ Lookup Timing#

NS
159ms
A
70ms
MX
207ms
AAAA
89ms
TXT
2476ms
CAA
78ms
HTTPS
89ms
TLSA
283ms
SOA
138ms
MTA-STS
241ms
DNSSEC
307ms
SRV
235ms
Total
6630ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-08 11:30:14 shown 6630ms 2 NS 2 A 1 MX 🔒 Secure
2026-10-01 08:27:33 761ms 2 NS 2 A 1 MX 🔒 Secure
2026-09-29 08:05:54 699ms 2 NS 2 A 1 MX 🔒 Secure
2026-09-26 07:13:35 576ms 2 NS 2 A 1 MX 🔒 Secure
2026-09-15 00:54:30 2574ms 2 NS 2 A 1 MX 🔒 Secure
2026-09-03 13:47:06 1105ms 2 NS 2 A 1 MX 🔒 Secure
2026-08-20 15:16:49 12154ms 2 NS 2 A 1 MX 🔒 Secure
2026-07-28 17:32:48 1572ms 2 NS 2 A 1 MX 🔒 Secure
2026-07-15 20:52:56 8840ms 2 NS 2 A 1 MX 🔒 Secure
2026-07-10 22:15:43 9831ms 2 NS 2 A 1 MX 🔒 Secure
2026-07-04 14:29:50 2945ms 2 NS 2 A 1 MX 🔒 Secure
2026-07-03 10:12:37 619ms 3 NS 4 A 1 MX 🔒 Secure
2026-06-30 21:45:18 765ms 3 NS 4 A 1 MX 🔒 Secure
2026-06-21 19:56:21 470ms 3 NS 4 A 0 MX 🔒 Secure
2026-06-21 01:24:57 2297ms 3 NS 4 A 0 MX 🔒 Secure
2026-06-18 04:32:11 560ms 3 NS 4 A 0 MX 🔒 Secure
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