gerstenbergs.dk

📜 Historical scan 2026-08-20 16:34:52 · ← 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 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 336ms

Nameserver	IP addresses	PTR	ASN / 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 337ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
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 372ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
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#

Service	CNAME / IP
🔷 Autodiscover	172.67.148.29
🔶 Autoconfig	104.21.55.126

🔷 AAAA Records (IPv6)#

2 records 232ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
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 319ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.55.126,172.67.148.29 ech=AEX+DQBBKAAgACB5y/ZwKPE0dxuFdTJZmBfk0rcwZrS4KUQCoYJaKMBAPgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::ac43:941d,2606:4700:3037::6815:377e

📝 TXT Records#

1 records 1033ms

TXT Record
v=spf1 include:_custspf.one.com ~all

✉️ SPF#

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

📨 DMARC#

Policy	Record (_dmarc.gerstenbergs.dk)
p=quarantine	v=DMARC1; p=quarantine; rua=mailto:itsupport@gerstenbergs.dk; ruf=mailto:itsupport@gerstenbergs.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#

latest probe, not this scan · checked 2026-10-07 16:37:27

www	188.114.96.1 188.114.97.1 2606:4700:3032::ac43:941d 2606:4700:3037::6815:377e (AS13335) (address records, no CNAME)
www vs bare domain	Same network gerstenbergs.dk: 188.114.96.1 188.114.97.1 2606:4700:3032::ac43:941d 2606:4700:3037::6815:377e (AS13335) www.gerstenbergs.dk: 188.114.96.1 188.114.97.1 2606:4700:3032::ac43:941d 2606:4700:3037::6815:377e (AS13335)
Wildcard	Yes: any name under the zone resolves

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: ~all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.gerstenbergs.dk	19wLQc3NK5t4zP7VpQJC8gLgx4PCqoJGd_GGMFmF5Ho
TXT	_acme-challenge.gerstenbergs.dk	qWsXEK8B8IdsRU_qzxGLJAI8VhkIBFlj4asEBCJhSfw

🔗 TLSA / DANE#

3 records 665ms

Service / Owner	Type	Cert 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#

696ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA#

0ms

Field	Value
Serial	2412719540
Primary NS (MNAME)	lee.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

336ms

337ms

372ms

AAAA

232ms

TXT

1033ms

CAA

238ms

HTTPS

319ms

TLSA

665ms

SOA

0ms

MTA-STS

603ms

DNSSEC

696ms

SRV

449ms

Total

9041ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
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	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 shown	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