oesterbro.dk

Records from scan: 2026-09-30 11:09:06 · 1205ms total · last checked 2026-10-20 06:46 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

oesterbro.dk is a .dk domain served by 2 nameservers (ns1.seo-linuxpl.com, ns2.seo-linuxpl.com). It was registered on 2 May 2002 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 195.78.67.51 is hosted by Cyber_Folks S.A. (AS41079) in Poland. Mail is handled by mail.oesterbro.dk. The zone is not DNSSEC-signed, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 70ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.seo-linuxpl.com	94.152.254.111	ns1.cyberfolks.pl	AS29522 Cyber_Folks S.A.
ns2.seo-linuxpl.com	94.152.255.111	ns2.cyberfolks.pl	AS29522 Cyber_Folks S.A.

🌍 A Records#

1 records 72ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
195.78.67.51	300s	s173.cyber-folks.pl	AS41079	Cyber_Folks S.A.	195.78.66.0/23	🇵🇱 Poland	—

📧 MX Records#

1 records 72ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mail.oesterbro.dk	195.78.67.51	s173.cyber-folks.pl	AS41079 Cyber_Folks S.A.

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 545ms

TXT Record
v=spf1 a mx ip4:195.78.67.51 include:_spf.cyberfolks.pl -all

✉️ SPF#

Policy	Record (oesterbro.dk)
-all (hard fail)	v=spf1 a mx ip4:195.78.67.51 include:_spf.cyberfolks.pl -all

📨 DMARC#

Policy	Record (_dmarc.oesterbro.dk)
p=none (monitor only)	v=DMARC1; p=none; sp=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#

checked 2026-10-11 20:38:41

www	195.78.67.51 (AS41079) (address records, no CNAME)
www vs bare domain	Same network oesterbro.dk: 195.78.67.51 (AS41079) www.oesterbro.dk: 195.78.67.51 (AS41079)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 5/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

126ms

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

🏷️ SOA#

191ms

Field	Value
Serial	2024120500
Primary NS (MNAME)	ns1.seo-linuxpl.com
Responsible (RNAME)	hostmaster@oesterbro.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-08 23:51:29

Field	Value
Registrar	WEB SOLUTIONS A/S
Registered	2002-05-02
Expires	2027-06-30 (252d)

📋 WHOIS#

⏱️ Lookup Timing#

70ms

72ms

AAAA

101ms

TXT

545ms

CAA

110ms

HTTPS

77ms

TLSA

193ms

SOA

191ms

MTA-STS

136ms

DNSSEC

126ms

SRV

154ms

Total

1205ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-30 11:09:06 shown	1205ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-27 02:27:28	2617ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-02 00:27:33	3868ms	2 NS 1 A 1 MX	🔓 Insecure
2026-07-22 09:01:41	5210ms	2 NS 1 A 1 MX	🔓 Insecure
2026-07-01 16:55:25	975ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-26 14:34:49	1252ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-23 19:37:04	888ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-19 17:26:44	7953ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-17 12:00:41	5595ms	2 NS 1 A 1 MX	🔓 Insecure