fobu.dk DNS records

🖥️ Nameservers2 records 56ms

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 50ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.21.42.35	600s	linux36.curanet.dk	AS48854	team.blue Denmark A/S	185.21.40.0/22	🇩🇰 Denmark	—

📧 MX Records1 records 50ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	fobu-dk.mail.protection.outlook.com	2a01:111:f403:ca04::8 2a01:111:f403:ca04::e 2a01:111:f403:ca09::4 2a01:111:f403:ca09::6 52.101.68.39 52.101.68.8 52.101.73.26 52.101.73.6	mail-db5pr02cu00100.inbound.protection.outlook.com mail-db8pr02cu00106.inbound.protection.outlook.com mail-am0pr04cu00504.inbound.protection.outlook.com mail-am4pr0401cu00106.inbound.protection.outlook.com mail-db7pr03cu00607.inbound.protection.outlook.com mail-du0pr03cu00100.inbound.protection.outlook.com mail-as9pr05cu01302.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 → 40.98.16.23

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 137ms

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

📝 TXT Records4 records 246ms

TXT Record
_globalsign-domain-verification=p9dyMQF2xa3-wsKnQfHFztvJvRkElEjPkL3Wqw4kGi
MS=ms72373342
v=spf1 ip4:93.178.189.254 ip4:93.178.189.250 ip4:185.158.61.245 include:servers.mcsv.net include:spf.hosit.dk include:spf.protection.outlook.com include:spfinclude.signflow.dk include:spf.curanet.dk include:spf.mailmarketing.nu include:mail.zendesk.com -all
zendeskverification.fobu.dk

✉️ SPF

Policy	Record (fobu.dk)
-all (hard fail)	v=spf1 ip4:93.178.189.254 ip4:93.178.189.250 ip4:185.158.61.245 include:servers.mcsv.net include:spf.hosit.dk include:spf.protection.outlook.com include:spfinclude.signflow.dk include:spf.curanet.dk include:spf.mailmarketing.nu include:mail.zendesk.com -all

📨 DMARC

Policy	Record (_dmarc.fobu.dk)
p=quarantine	v=DMARC1; p=quarantine; pct=1; rua=mailto:grzdnlcy@ag.eu.dmarcadvisor.com;

📬 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)

🔐 DNSSEC144ms

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

🏷️ SOA0ms

Field	Value
Serial	2026071502
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

56ms

A

50ms

MX

50ms

AAAA

53ms

TXT

246ms

CAA

45ms

HTTPS

45ms

TLSA

133ms

SOA

0ms

MTA-STS

118ms

DNSSEC

144ms

SRV

137ms

Total

1008ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-07-16 18:25:35	1008ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-04 23:23:20	1084ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-24 08:29:49	1164ms	2 NS 1 A 1 MX	⚠️ Bogus	View
2026-06-22 06:41:24	1169ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-18 16:36:08	1395ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 09:31:59	2691ms	2 NS 1 A 1 MX	🔒 Secure	View