burholt.dk

📜 Historical scan 2026-08-26 22:15:38  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

burholt.dk is a .dk domain served by 2 nameservers (bella.ns.cloudflare.com, buck.ns.cloudflare.com). It was registered on 6 June 2024 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.93.235 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by pmg1.h4r.eu, pmg2.h4r.eu. The zone is not DNSSEC-signed, has no DMARC policy and is reachable over IPv6. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records   26ms
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   30ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.93.235 300s — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.216.138 300s — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —

📧 MX Records#

2 records   29ms
PriorityTTLMail ServerIP addressesPTRASN
10 300s pmg1.h4r.eu 2a01:4f8:c012:7e77::1
49.12.11.203		 pmg1.h4r.eu
filter02.h4r.eu		 AS24940 Hetzner Online GmbH
AS24940 Hetzner Online GmbH
20 300s pmg2.h4r.eu 2001:41d0:701:1100::a6bc
57.129.66.76		 filter04.h4r.eu
filter04.h4r.eu		 AS16276 OVH SAS
AS16276 OVH SAS

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscover213.184.85.10
🔶 Autoconfig213.184.85.10

🔷 AAAA Records (IPv6)#

2 records   35ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2606:4700:3035::ac43:d88a 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —
2606:4700:3037::6815:5deb 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —

🔐 HTTPS Records#

1 records   30ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.93.235,172.67.216.138 ech=AEX+DQBB+AAgACATcv+fK+Ptu0/bpXpp0D1wcGbigahtqny0PH7xycqfNwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3035::ac43:d88a,2606:4700:3037::6815:5deb

🔌 SRV Records#

1 records   60ms
ServicePriorityWeightPortTarget
_autodiscover._tcp 0 0 443 cpanelemaildiscovery.cpanel.net

📝 TXT Records#

1 records   146ms
TXT Record
v=spf1 +a +mx +ip4:213.184.85.10 include:spf-record.net ~all

✉️ SPF#

PolicyRecord (burholt.dk)
~all (soft fail) v=spf1 +a +mx +ip4:213.184.85.10 include:spf-record.net ~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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-14 06:21:04
www104.21.93.235 172.67.216.138 2606:4700:3035::ac43:d88a 2606:4700:3037::6815:5deb (AS13335) (address records, no CNAME)
www vs bare domainSame network
WildcardNo

✍️ DKIM keys#

1 found
SelectorCNAMEKey
default — RSA · ~2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 4/10 · policy: ~all

No problems found

🔏 ACME Challenge#

TypeNameValue
TXT _acme-challenge.burholt.dk 4njJyEs_AJ0HiTNJcuiPsOoHQrgaXu6S_4PVnodIwrQ

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

105ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

0ms
FieldValue
Serial2413170615
Primary NS (MNAME)bella.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-11 14:57:54
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2024-06-06
Expires2027-06-05 (231d)

🔗 Same registrant#

0 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

No other domain with this registrant in our WHOIS data yet
📋 WHOIS#

⏱️ Lookup Timing#

NS
26ms
A
30ms
MX
29ms
AAAA
35ms
TXT
146ms
CAA
33ms
HTTPS
30ms
TLSA
83ms
SOA
0ms
MTA-STS
47ms
DNSSEC
105ms
SRV
60ms
Total
618ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-09-24 05:06:27 629ms 2 NS 2 A 2 MX 🔓 Insecure
2026-08-27 12:59:09 1164ms 2 NS 2 A 2 MX 🔓 Insecure
2026-08-26 22:15:38 shown 618ms 2 NS 2 A 2 MX 🔓 Insecure
2026-08-24 18:34:20 700ms 2 NS 2 A 2 MX 🔓 Insecure
2026-07-01 19:33:09 3068ms 2 NS 2 A 2 MX 🔓 Insecure
2026-06-25 05:10:19 1012ms 4 NS 1 A 2 MX 🔓 Insecure
2026-06-23 20:48:53 1611ms 4 NS 1 A 2 MX 🔓 Insecure
2026-06-22 19:15:02 1226ms 4 NS 1 A 2 MX 🔓 Insecure
2026-06-22 01:47:50 670ms 4 NS 1 A 2 MX 🔓 Insecure
2026-06-16 17:45:46 540ms 4 NS 1 A 2 MX 🔓 Insecure
dhd.dk [/] search Domains, Hosts & DNS — .dk zone