borsting-biehl.dk

📜 Historical scan 2026-06-24 08:58:05  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

borsting-biehl.dk is a .dk domain served by 2 nameservers (giancarlo.ns.cloudflare.com, ruth.ns.cloudflare.com). It was registered on 12 March 2002 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.85.209 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx.spamfilter.io. The zone is DNSSEC-signed and validates, publishes a 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   60ms
NameserverIP addressesPTRASN / ISP
giancarlo.ns.cloudflare.com 108.162.195.5
162.159.44.5
172.64.35.5
2606:4700:58::a29f:2c05
2803:f800:50::6ca2:c305
2a06:98c1:50::ac40:2305		 giancarlo.ns.cloudflare.com
giancarlo.ns.cloudflare.com
giancarlo.ns.cloudflare.com
giancarlo.ns.cloudflare.com
giancarlo.ns.cloudflare.com
giancarlo.ns.cloudflare.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
ruth.ns.cloudflare.com 108.162.192.143
172.64.32.143
173.245.58.143
2606:4700:50::adf5:3a8f
2803:f800:50::6ca2:c08f
2a06:98c1:50::ac40:208f		 ruth.ns.cloudflare.com
ruth.ns.cloudflare.com
ruth.ns.cloudflare.com
ruth.ns.cloudflare.com
ruth.ns.cloudflare.com
ruth.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   93ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.85.209 300s — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.211.33 300s — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —

📧 MX Records#

1 records   81ms
PriorityTTLMail ServerIP addressesPTRASN
10 1800s mx.spamfilter.io 46.36.212.34
46.36.212.36
46.36.212.37
46.36.212.38
89.188.78.64
89.188.78.65
89.188.78.66
94.231.106.12		 node4.spamfilter.io
node8.spamfilter.io
node6.spamfilter.io
node7.spamfilter.io
node3.spamfilter.io
node9.spamfilter.io
node10.spamfilter.io
node2.spamfilter.io		 AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S

🔷 AAAA Records (IPv6)#

2 records   59ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2606:4700:3031::ac43:d321 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —
2606:4700:3037::6815:55d1 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —

🔐 HTTPS Records#

1 records   82ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.85.209,172.67.211.33 ech=AEX+DQBBmAAgACDBF3wwLQF81o3tgVnKmQwfQJ7XDq6lfj/8zj9KtVU3VQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::ac43:d321,2606:4700:3037::6815:55d1

📝 TXT Records#

1 records   276ms
TXT Record
v=spf1 ip4:176.20.60.253 -all

✉️ SPF#

PolicyRecord (borsting-biehl.dk)
-all (hard fail) v=spf1 ip4:176.20.60.253 -all

📨 DMARC#

PolicyRecord (_dmarc.borsting-biehl.dk)
p=reject v=DMARC1; p=reject; sp=reject; pct=100; adkim=r; aspf=s

📬 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 2026-10-15 20:16:11
www104.21.85.209 172.67.211.33 2606:4700:3031::ac43:d321 2606:4700:3037::6815:55d1 (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

✍️ DKIM keys#

1 found
SelectorCNAMEKey
dkim — 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: 0/10 · policy: -all

No problems found

🔏 ACME Challenge#

TypeNameValue
TXT _acme-challenge.borsting-biehl.dk 7Z_Qc4Bo3dMI9r0i8BzJh5PUgQyY3vJXF33PkhUmDAI
TXT _acme-challenge.borsting-biehl.dk yrMYkx6t6KbKBXhBds4ww568dLu2VXicH-B65KWkgsw

🔗 TLSA / DANE#

1 records   846ms
Service / OwnerTypeCert association
SMTP _25._tcp.mx.spamfilter.io DANE-EE · SPKI · SHA-256 9A25F05F2E322DABDCC9B7A06AB47A2D…

🔐 DNSSEC#

237ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

0ms
FieldValue
Serial2407721704
Primary NS (MNAME)giancarlo.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-11 16:39:10
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2002-03-12
Expires2027-03-31 (162d)

🔗 Same registrant#

1 domain

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).

DomainRegistrar
hebia.dkPunktum dk A/S (direct)
📋 WHOIS#

⏱️ Lookup Timing#

NS
60ms
A
93ms
MX
81ms
AAAA
59ms
TXT
276ms
CAA
67ms
HTTPS
82ms
TLSA
846ms
SOA
0ms
MTA-STS
54ms
DNSSEC
237ms
SRV
167ms
Total
1858ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-15 20:16:11 535ms 2 NS 2 A 1 MX 🔒 Secure
2026-10-11 16:04:05 3077ms 2 NS 2 A 1 MX 🔒 Secure
2026-10-09 13:54:07 1178ms 2 NS 2 A 1 MX 🔒 Secure
2026-10-03 01:49:11 1080ms 2 NS 2 A 1 MX 🔒 Secure
2026-09-29 01:17:18 704ms 2 NS 2 A 1 MX 🔒 Secure
2026-09-27 00:53:38 794ms 2 NS 2 A 1 MX 🔒 Secure
2026-09-25 00:33:50 701ms 2 NS 2 A 1 MX 🔒 Secure
2026-09-22 20:20:55 1436ms 2 NS 2 A 1 MX 🔒 Secure
2026-09-18 22:40:56 1127ms 2 NS 2 A 1 MX 🔒 Secure
2026-09-15 15:34:23 1015ms 2 NS 2 A 1 MX 🔒 Secure
2026-09-13 07:31:21 1705ms 2 NS 2 A 1 MX 🔒 Secure
2026-09-11 12:54:58 2219ms 2 NS 2 A 1 MX 🔒 Secure
2026-09-04 11:41:25 602ms 2 NS 2 A 1 MX 🔒 Secure
2026-08-24 20:35:27 16724ms 2 NS 2 A 1 MX 🔒 Secure
2026-08-18 02:39:56 25126ms 2 NS 2 A 1 MX 🔒 Secure
2026-08-05 21:37:02 1706ms 2 NS 2 A 1 MX 🔒 Secure
2026-07-09 06:18:33 1370ms 2 NS 2 A 1 MX 🔒 Secure
2026-06-29 10:38:18 1182ms 2 NS 2 A 1 MX 🔒 Secure
2026-06-24 08:58:05 shown 1858ms 2 NS 2 A 1 MX 🔒 Secure
2026-06-21 05:29:47 1375ms 2 NS 2 A 1 MX 🔒 Secure
2026-06-20 18:02:16 860ms 0 NS 0 A 0 MX ❓ Unknown
2026-06-16 16:16:01 661ms 2 NS 2 A 1 MX 🔒 Secure
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