gersonunit.dk

📜 Historical scan 2026-06-25 12:15:04 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

gersonunit.dk is a .dk domain served by 3 nameservers (ns4.dns-123.net, ns5.dns-123.net, ns6.dns-123.net). It was registered on 17 May 2017 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 5.186.164.156 is hosted by FIBIA P/S (AS44869) in Denmark. Mail is handled by server7156.serverpark.dk. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. 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#

3 records 258ms

Nameserver	IP addresses	PTR	ASN / ISP
ns4.dns-123.net	35.198.132.83	83.132.198.35.bc.googleusercontent.com	AS396982 Google LLC
ns5.dns-123.net	35.187.184.173	173.184.187.35.bc.googleusercontent.com	AS396982 Google LLC
ns6.dns-123.net	35.228.54.1	1.54.228.35.bc.googleusercontent.com	AS396982 Google LLC

🌍 A Records#

1 records 332ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
5.186.164.156	7200s	server7156.serverpark.dk	AS44869	FIBIA P/S	5.186.0.0/16	🇩🇰 Denmark	Frederiksberg

📧 MX Records#

1 records 280ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	7200s	server7156.serverpark.dk	5.186.164.156	server7156.serverpark.dk	AS44869 FIBIA P/S

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	5.186.164.156
🔶 Autoconfig	5.186.164.156

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 437ms

TXT Record
v=spf1 a mx include:_spf.serverpark.dk ~all

✉️ SPF#

Policy	Record (gersonunit.dk)
~all (soft fail)	v=spf1 a mx include:_spf.serverpark.dk ~all

📨 DMARC#

Policy	Record (_dmarc.gersonunit.dk)
p=none (monitor only)	v=DMARC1; p=none;

📬 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 2026-10-08 19:50:19

www	5.186.164.156 (AS44869) (address records, no CNAME)
www vs bare domain	Same network gersonunit.dk: 5.186.164.156 (AS44869) www.gersonunit.dk: 5.186.164.156 (AS44869)
Wildcard	Yes: any name under the zone resolves
Denial of existence	NSEC zone can be walked (all names enumerable)
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 3/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

389ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

275ms

Field	Value
Serial	2017051725
Primary NS (MNAME)	ns4.dns-123.net
Responsible (RNAME)	admin@dns-123.net
Refresh	28800s
Retry	7200s
Expire	604800s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-09 14:30:01

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2017-05-17
Expires	2027-05-31 (226d)

📋 WHOIS#

⏱️ Lookup Timing#

258ms

332ms

280ms

AAAA

296ms

TXT

437ms

CAA

286ms

HTTPS

299ms

TLSA

314ms

SOA

275ms

MTA-STS

303ms

DNSSEC

389ms

SRV

340ms

Total

2002ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-30 18:49:54	812ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-13 16:38:29	9442ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-10 12:41:48	9635ms	3 NS 1 A 1 MX	🔒 Secure
2026-08-25 07:10:44	9589ms	3 NS 1 A 1 MX	🔒 Secure
2026-06-26 14:45:51	813ms	3 NS 1 A 1 MX	🔒 Secure
2026-06-25 22:05:55	1213ms	3 NS 1 A 1 MX	🔒 Secure
2026-06-25 12:15:04 shown	2002ms	3 NS 1 A 1 MX	🔒 Secure
2026-06-17 10:01:02	5155ms	3 NS 1 A 1 MX	🔒 Secure