zibra.dk DNS records

🖥️ Nameservers2 records 46ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records1 records 76ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
93.191.156.87	600s	linux209.unoeuro.com	AS48854	team.blue Denmark A/S	93.191.152.0/21	🇩🇰 Denmark	—

📧 MX Records1 records 44ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	zibra-dk.mail.protection.outlook.com	2a01:111:f403:ca04:: 2a01:111:f403:ca04::2 2a01:111:f403:ca09::20 2a01:111:f403:ca09::8 52.101.68.8 52.101.73.1 52.101.73.2 52.101.73.6	mail-db3pr0202cu00100.inbound.protection.outlook.com mail-du2pr03cu00102.inbound.protection.outlook.com mail-as8pr05cu00400.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-du0pr03cu00100.inbound.protection.outlook.com mail-am3pr04cu00501.inbound.protection.outlook.com mail-as9pr07cu00302.inbound.protection.outlook.com mail-am6pr04cu00306.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 52.98.228.232
🔶 Autoconfig	93.191.156.87

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 120ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	0	1	5061	sipfed.online.lync.com

📝 TXT Records5 records 218ms

TXT Record
apple-domain-verification=rjs1q5C2WxzxGwkm
gj6gqFGH0fRP5fDYMomsxbTtocmughiAtDN+Z5SiLQZVJo27qdD7Zi0k5fG45FwTAx8VMpcO2rGRQ56h2AGx8w==
MS=ms31418912
MS=ms81602773
v=spf1 a:smtp.hq.bornfiber.dk include:spf.protection.outlook.com ip4:77.243.36.6 -all

✉️ SPF

Policy	Record (zibra.dk)
-all (hard fail)	v=spf1 a:smtp.hq.bornfiber.dk include:spf.protection.outlook.com ip4:77.243.36.6 -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 / DANE

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

🔐 DNSSEC164ms

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

🏷️ SOA43ms

Field	Value
Serial	2026032402
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

46ms

A

76ms

MX

44ms

AAAA

55ms

TXT

218ms

CAA

55ms

HTTPS

60ms

TLSA

130ms

SOA

43ms

MTA-STS

94ms

DNSSEC

164ms

SRV

120ms

Total

17018ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-07-24 11:12:34	17018ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-24 19:44:51	1776ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-24 13:01:08	1000ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-23 20:28:19	806ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-21 21:43:18	1166ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-21 13:28:54	824ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-20 21:52:41	1140ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-17 22:22:52	704ms	2 NS 1 A 1 MX	🔒 Secure	View