ubby.dk

Records from scan: 2026-10-07 13:37:35 · 2328ms total · last checked 2026-10-16 09:01 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

ubby.dk is a .dk domain served by 2 nameservers (bella.ns.cloudflare.com, mark.ns.cloudflare.com). It was registered on 25 January 1999 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 209.42.196.213 is hosted by PrivateSystems Networks (AS63410) in The Netherlands. Mail is handled by ubby-dk.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 our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 255ms

Nameserver	IP addresses	PTR	ASN / ISP
bella.ns.cloudflare.com	108.162.192.74 172.64.32.74 173.245.58.74 2606:4700:50::adf5:3a4a 2803:f800:50::6ca2:c04a 2a06:98c1:50::ac40:204a	bella.ns.cloudflare.com bella.ns.cloudflare.com bella.ns.cloudflare.com bella.ns.cloudflare.com bella.ns.cloudflare.com bella.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
mark.ns.cloudflare.com	108.162.193.130 172.64.33.130 173.245.59.130 2606:4700:58::adf5:3b82 2803:f800:50::6ca2:c182 2a06:98c1:50::ac40:2182	mark.ns.cloudflare.com mark.ns.cloudflare.com mark.ns.cloudflare.com mark.ns.cloudflare.com mark.ns.cloudflare.com mark.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

1 records 264ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
209.42.196.213	300s	cw105.codafgroup.com	AS63410	PrivateSystems Networks	209.42.192.0/18	🇳🇱 The Netherlands	Amsterdam

📧 MX Records#

1 records 230ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	ubby-dk.mail.protection.outlook.com	2a01:111:f403:c967::c 2a01:111:f403:ca04::b 2a01:111:f403:ca09::20 2a01:111:f403:ca48::8 52.101.103.143 52.101.68.10 52.101.68.15 52.101.91.21	mail-cpjpr05cu00204.inbound.protection.outlook.com mail-dbbpr03cu00103.inbound.protection.outlook.com mail-as8pr05cu00400.inbound.protection.outlook.com mail-miypr02cu00100.inbound.protection.outlook.com mail-miypr03cu00107.inbound.protection.outlook.com mail-dbbpr03cu00102.inbound.protection.outlook.com mail-db6pr03cu00107.inbound.protection.outlook.com mail-matpr05cu00105.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 347ms

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

📝 TXT Records#

3 records 496ms

TXT Record
cisco-ci-domain-verification=270dc899378c00ff43cd6064abd9750d5b6e6914ede60eec556e0001710d8cff
hg8jbj9q6yb8lvg03tnkqrgts74fylpp
v=spf1 include:spf.protection.outlook.com include:spf.mandrillapp.com -all

✉️ SPF#

Policy	Record (ubby.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:spf.mandrillapp.com -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#

checked 2026-10-07 13:37:35

www	Address record (no CNAME)
Wildcard	No
Denial of existence	Compact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
selector1	selector1-ubby-dk._domainkey.ubby.onmicrosoft.com	RSA · ~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: 2/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

387ms

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

🏷️ SOA#

66ms

Field	Value
Serial	2416774642
Primary NS (MNAME)	bella.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-10 03:06:26

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	1999-01-25
Expires	2027-03-31 (165d)

📋 WHOIS#

⏱️ Lookup Timing#

255ms

264ms

230ms

AAAA

304ms

TXT

496ms

CAA

317ms

HTTPS

279ms

TLSA

869ms

SOA

66ms

MTA-STS

324ms

DNSSEC

387ms

SRV

347ms

Total

2328ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-07 13:37:35 shown	2328ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-03 12:03:57	1071ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-25 02:16:39	1304ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-23 18:03:54	1078ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-15 03:48:13	1184ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-08 02:05:12	1001ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-03 12:41:50	2993ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-28 00:05:17	1150ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-26 21:49:52	1222ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-19 15:48:33	2008ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-26 14:18:03	1985ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-23 12:30:41	1367ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-09 02:49:22	2850ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-03 16:06:58	1735ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-01 03:42:38	1634ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-23 19:06:11	2875ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-21 16:51:18	1160ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-17 22:31:26	3045ms	2 NS 1 A 1 MX	🔒 Secure