o-bo.dk

📜 Historical scan 2026-06-18 06:29:52 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

o-bo.dk is a .dk domain served by 2 nameservers (ns1.curanet.dk, ns2.curanet.dk). It was registered on 22 November 2019 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.21.41.98 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by obo-dk0c.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, has no 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 102ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.curanet.dk	185.25.141.12 2a02:2339:4006:108::123	ns1.curanet.dk ns1.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.curanet.dk	2a02:2339:1:10f::123:123 91.197.248.75	ns2.curanet.dk ns2.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 104ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.21.41.98	—	linux26.curanet.dk	AS48854	team.blue Denmark A/S	185.21.40.0/22	🇩🇰 Denmark	—

📧 MX Records#

1 records 99ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	—	obo-dk0c.mail.protection.outlook.com	2a01:111:f403:ca04:: 2a01:111:f403:ca09::20 2a01:111:f403:ca09::5 2a01:111:f403:ca09::9 52.101.68.12 52.101.68.15 52.101.68.16 52.101.68.27	mail-db3pr0202cu00100.inbound.protection.outlook.com mail-as8pr05cu00400.inbound.protection.outlook.com mail-am1pr04cu00105.inbound.protection.outlook.com mail-as8pr04cu00801.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-db6pr03cu00107.inbound.protection.outlook.com mail-db4pr02cu00400.inbound.protection.outlook.com mail-db7pr03cu00503.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 → 40.98.16.77
🔶 Autoconfig	185.21.41.98

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 130ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records#

2 records 266ms

TXT Record
apple-domain-verification=K7KM7pgZ6rJJaUcZ
v=spf1 include:spf.protection.outlook.com ip4:89.221.167.247 -all

✉️ SPF#

Policy	Record (o-bo.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com ip4:89.221.167.247 -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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-12 19:03:40

www	185.21.41.98 (AS48854) (address records, no CNAME)
www vs bare domain	Same network o-bo.dk: 185.21.41.98 (AS48854) www.o-bo.dk: 185.21.41.98 (AS48854)
Wildcard	Yes: any name under the zone resolves
Denial of existence	NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

211ms

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

🏷️ SOA#

92ms

Field	Value
Serial	2026012101
Primary NS (MNAME)	ns1.curanet.dk
Responsible (RNAME)	hostmaster@curanet.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-11 19:54:29

Field	Value
Registrar	CURANET A/S
Registered	2019-11-22
Expires	2026-11-30 (41d)

🔗 Same registrant#

1 domain

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

Domain	Registrar
odenseboligselskab.dk	CURANET A/S

📋 WHOIS#

⏱️ Lookup Timing#

102ms

104ms

99ms

AAAA

89ms

TXT

266ms

CAA

96ms

HTTPS

90ms

TLSA

119ms

SOA

92ms

MTA-STS

35ms

DNSSEC

211ms

SRV

130ms

Total

871ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-01 07:28:42	1265ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-29 19:25:56	691ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-23 14:16:04	1388ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-23 13:08:49	947ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-18 06:29:52 shown	871ms	2 NS 1 A 1 MX	🔒 Secure