zibrawireless.dk DNS records

🖥️ Nameservers4 records 71ms

Nameserver	IP addresses	PTR	ASN / ISP
authns1.bornfiber.dk	185.96.180.189 2a00:4820:0:4:185:96:180:189	authns1.bornfiber.dk authns1.bornfiber.dk	AS24800 BornFiber Service Provider ApS AS24800 BornFiber Service Provider ApS
authns2.bornfiber.dk	185.96.88.189 2a00:4020:0:4:185:96:88:189	authns2.bornfiber.dk authns2.bornfiber.dk	AS24800 BornFiber Service Provider ApS AS24800 BornFiber Service Provider ApS
authns3.bornfiber.dk	185.96.88.5 2a00:4020::185:96:88:5	authns3.bornfiber.dk authns3.bornfiber.dk	AS24800 BornFiber Service Provider ApS AS24800 BornFiber Service Provider ApS
authns4.bornfiber.dk	185.96.180.5 2a00:4820::185:96:180:5	authns4.bornfiber.dk authns4.bornfiber.dk	AS24800 BornFiber Service Provider ApS AS24800 BornFiber Service Provider ApS

🌍 A Records1 records 80ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.96.180.20	3600s	webproxy3.svaneke.servers.bornfiber.dk	AS24800	BornFiber Service Provider ApS	185.96.180.0/22	🇩🇰 Denmark	Frederiksberg

📧 MX Records2 records 50ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	eu-esec-01.heimdalsecurity.com	20.50.183.144 20.50.183.146	eu-esec-01.heimdalsecurity.com eu-esec-01.heimdalsecurity.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation
20	3600s	eu-esec-02.heimdalsecurity.com	20.50.183.144 20.50.183.146	eu-esec-01.heimdalsecurity.com eu-esec-01.heimdalsecurity.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation

🔷 AAAA Records (IPv6)1 records 79ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a00:4820::80:0:0:4	3600s	—	AS24800	BornFiber Service Provider ApS	2a00:4820:0:0:0:0:0:0/32	🇩🇰 Denmark	Rønne

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 175ms

TXT Record
v=spf1 a:rt.hq.bornfiber.dk a:smtp.hq.bornfiber.dk -all

✉️ SPF

Policy	Record (zibrawireless.dk)
-all (hard fail)	v=spf1 a:rt.hq.bornfiber.dk a:smtp.hq.bornfiber.dk -all

📨 DMARC

✗ No DMARC record — mail spoofing not restricted

📬 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

🔗 TLSA / DANE2 records 1092ms

Service / Owner	Type	Cert association
SMTP _25._tcp.eu-esec-01.heimdalsecurity.com	DANE-EE · SPKI · SHA-256	2E8933DD6DB99304A5A9D5C4ECDE7B8E…
SMTP _25._tcp.eu-esec-02.heimdalsecurity.com	DANE-EE · SPKI · SHA-256	2E8933DD6DB99304A5A9D5C4ECDE7B8E…

🔐 DNSSEC1396ms

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

🏷️ SOA67ms

Field	Value
Serial	2024121002
Primary NS (MNAME)	authns1.bornfiber.dk
Responsible (RNAME)	hostmaster@bornfiber.dk
Refresh	14400s
Retry	3600s
Expire	604800s
Minimum (neg-cache TTL)	3600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

71ms

A

80ms

MX

50ms

AAAA

79ms

TXT

175ms

CAA

70ms

HTTPS

49ms

TLSA

1092ms

SOA

67ms

MTA-STS

76ms

DNSSEC

1396ms

SRV

94ms

Total

6681ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 14:17:09	2509ms	4 NS 1 A 2 MX	🔒 Secure	View
2026-07-02 13:18:39	6681ms	4 NS 1 A 2 MX	🔒 Secure	View
2026-06-25 21:33:40	915ms	4 NS 1 A 2 MX	🔒 Secure	View
2026-06-20 17:41:39	2225ms	4 NS 1 A 2 MX	🔒 Secure	View
2026-06-17 23:31:18	3981ms	4 NS 1 A 2 MX	🔒 Secure	View