fobu.dk

📜 Historical scan 2026-06-24 08:29:49 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

fobu.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.21.42.35 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by fobu-dk.mail.protection.outlook.com. The zone is DNSSEC-signed but currently fails validation, 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#

2 records 68ms

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 Records#

1 records 85ms

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 Records#

1 records 36ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	fobu-dk.mail.protection.outlook.com	2a01:111:f403:ca04:: 2a01:111:f403:ca04::10 2a01:111:f403:ca04::4 2a01:111:f403:ca04::5 52.101.68.18 52.101.68.25 52.101.68.29 52.101.73.16	mail-db3pr0202cu00100.inbound.protection.outlook.com mail-dbapr03cu00100.inbound.protection.outlook.com mail-db4pr02cu00204.inbound.protection.outlook.com mail-db3pr0202cu00205.inbound.protection.outlook.com mail-db4pr02cu00302.inbound.protection.outlook.com mail-db8pr02cu00101.inbound.protection.outlook.com mail-dbapr03cu00105.inbound.protection.outlook.com mail-as2pr05cu00100.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 → 40.104.116.24

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 99ms

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

📝 TXT Records#

4 records 242ms

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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-08 06:30:17

www	185.21.42.35 (AS48854) (address records, no CNAME)
www vs bare domain	Same network fobu.dk: 185.21.42.35 (AS48854) www.fobu.dk: 185.21.42.35 (AS48854)
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
selector1	selector1-fobu-dk._domainkey.fobudata.onmicrosoft.com	RSA · ~1024 bit below 2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 9/10 · policy: -all

warn 9 of the 10 allowed DNS lookups used: one more include can break SPF

🔗 TLSA / DANE#

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

🔐 DNSSEC#

89ms

Check	Result
Validation Status	⚠️ Bogus
AD Flag (resolver validates)	✗ Not set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	broken trust chain resolving 'fobu.dk/DS/IN': 127.0.0.1#53

🏷️ SOA#

74ms

Field	Value
Serial	2026061701
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 yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

68ms

85ms

36ms

AAAA

45ms

TXT

242ms

CAA

81ms

HTTPS

35ms

TLSA

515ms

SOA

74ms

MTA-STS

90ms

DNSSEC

89ms

SRV

99ms

Total

1164ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-08 06:30:17	1122ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-25 10:06:07	1174ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-24 01:01:55	1464ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-16 18:25:35	1008ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-04 23:23:20	1084ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-24 08:29:49 shown	1164ms	2 NS 1 A 1 MX	⚠️ Bogus
2026-06-22 06:41:24	1169ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-18 16:36:08	1395ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 09:31:59	2691ms	2 NS 1 A 1 MX	🔒 Secure