gerstenbergs.dk

📜 Historical scan 2026-08-22 16:56:11  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

gerstenbergs.dk is a .dk domain served by 2 nameservers (lee.ns.cloudflare.com, sreeni.ns.cloudflare.com). It was registered on 31 January 1997 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.55.126 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx1.pub.mailpod6-cph3.one.com, mx2.pub.mailpod6-cph3.one.com and 1 more. The zone is not DNSSEC-signed, 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   48ms
NameserverIP addressesPTRASN / ISP
lee.ns.cloudflare.com 108.162.193.129
172.64.33.129
173.245.59.129
2606:4700:58::adf5:3b81
2803:f800:50::6ca2:c181
2a06:98c1:50::ac40:2181		 lee.ns.cloudflare.com
lee.ns.cloudflare.com
lee.ns.cloudflare.com
lee.ns.cloudflare.com
lee.ns.cloudflare.com
lee.ns.cloudflare.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
sreeni.ns.cloudflare.com 108.162.194.178
162.159.38.178
172.64.34.178
2606:4700:50::a29f:26b2
2803:f800:50::6ca2:c2b2
2a06:98c1:50::ac40:22b2		 sreeni.ns.cloudflare.com
sreeni.ns.cloudflare.com
sreeni.ns.cloudflare.com
sreeni.ns.cloudflare.com
sreeni.ns.cloudflare.com
sreeni.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   65ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.55.126 300s — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.148.29 300s — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —

📧 MX Records#

3 records   62ms
PriorityTTLMail ServerIP addressesPTRASN
10 300s mx1.pub.mailpod6-cph3.one.com 185.164.14.70 mx1.pub.mailpod6-cph3.one.com AS51468 One.com A/S
10 300s mx2.pub.mailpod6-cph3.one.com 185.164.14.71 mx2.pub.mailpod6-cph3.one.com AS51468 One.com A/S
10 300s mx3.pub.mailpod6-cph3.one.com 185.164.14.72 mx3.pub.mailpod6-cph3.one.com AS51468 One.com A/S

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscover104.21.55.126
🔶 Autoconfig172.67.148.29

🔷 AAAA Records (IPv6)#

2 records   62ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2606:4700:3032::ac43:941d 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —
2606:4700:3037::6815:377e 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —

🔐 HTTPS Records#

1 records   69ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.55.126,172.67.148.29 ech=AEX+DQBBBQAgACAWgYT7MIIYhZsgYsNV9qpcRNmrLnRNaTs1ummXhLw/HQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::ac43:941d,2606:4700:3037::6815:377e

📝 TXT Records#

1 records   228ms
TXT Record
v=spf1 include:_custspf.one.com ~all

✉️ SPF#

PolicyRecord (gerstenbergs.dk)
~all (soft fail) v=spf1 include:_custspf.one.com ~all

📨 DMARC#

PolicyRecord (_dmarc.gerstenbergs.dk)
p=quarantine v=DMARC1; p=quarantine; rua=mailto:7c27831b43a0441fa042d27c1f856dda@dmarc-reports.cloudflare.net

📬 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 2026-10-07 16:37:27
www188.114.96.1 188.114.97.1 2606:4700:3032::ac43:941d 2606:4700:3037::6815:377e (AS13335) (address records, no CNAME)
www vs bare domainSame network
WildcardYes: any name under the zone resolves

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

3 records   104ms
Service / OwnerTypeCert association
SMTP _25._tcp.mx1.pub.mailpod6-cph3.one.com DANE-EE · SPKI · SHA-256 431B938774CCDD31779725AB0617DD17…
SMTP _25._tcp.mx2.pub.mailpod6-cph3.one.com DANE-EE · SPKI · SHA-256 431B938774CCDD31779725AB0617DD17…
SMTP _25._tcp.mx3.pub.mailpod6-cph3.one.com DANE-EE · SPKI · SHA-256 431B938774CCDD31779725AB0617DD17…

🔐 DNSSEC#

99ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

0ms
FieldValue
Serial2412822448
Primary NS (MNAME)lee.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-17 07:59:43
FieldValue
RegistrarPunktum dk A/S (direct)
Registered1997-01-31
Expires2027-03-31 (165d)

🔗 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
48ms
A
65ms
MX
62ms
AAAA
62ms
TXT
228ms
CAA
58ms
HTTPS
69ms
TLSA
104ms
SOA
0ms
MTA-STS
77ms
DNSSEC
99ms
SRV
118ms
Total
1383ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-07 16:37:27 548ms 2 NS 2 A 3 MX 🔓 Insecure
2026-09-19 05:57:13 628ms 2 NS 2 A 3 MX 🔓 Insecure
2026-08-27 02:14:18 7482ms 2 NS 2 A 3 MX 🔓 Insecure
2026-08-26 09:17:04 644ms 2 NS 2 A 3 MX 🔓 Insecure
2026-08-22 16:56:11 shown 1383ms 2 NS 2 A 3 MX 🔓 Insecure
2026-08-21 16:40:34 5118ms 2 NS 2 A 3 MX 🔓 Insecure
2026-08-20 16:34:52 9041ms 2 NS 2 A 3 MX 🔓 Insecure
2026-08-17 02:07:56 1297ms 2 NS 1 A 3 MX 🔒 Secure
2026-07-19 09:41:48 4769ms 2 NS 1 A 3 MX 🔒 Secure
2026-07-17 22:49:14 978ms 2 NS 1 A 3 MX 🔒 Secure
2026-06-30 21:16:11 677ms 2 NS 1 A 3 MX 🔒 Secure
2026-06-20 10:25:59 639ms 2 NS 1 A 3 MX 🔒 Secure
2026-06-17 09:20:57 5265ms 2 NS 1 A 3 MX 🔒 Secure
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