ubby.dk DNS records

🖥️ Nameservers2 records 46ms

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 Records1 records 61ms

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 Records1 records 63ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	ubby-dk.mail.protection.outlook.com	2a01:111:f403:ca04::8 2a01:111:f403:ca09::4 2a01:111:f403:ca09::9 2a01:111:f403:ca09::b 52.101.103.137 52.101.68.27 52.101.73.126 52.101.73.6	mail-db5pr02cu00100.inbound.protection.outlook.com mail-am0pr04cu00504.inbound.protection.outlook.com mail-as8pr04cu00801.inbound.protection.outlook.com mail-am7pr05cu00103.inbound.protection.outlook.com mail-miypr02cu00101.inbound.protection.outlook.com mail-db7pr03cu00503.inbound.protection.outlook.com mail-am8pr83cu00106.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 → 40.104.116.24

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 78ms

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

📝 TXT Records3 records 199ms

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

🔗 TLSA / DANE

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

🔐 DNSSEC92ms

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

🏷️ SOA0ms

Field	Value
Serial	2412627439
Primary NS (MNAME)	bella.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

46ms

A

61ms

MX

63ms

AAAA

54ms

TXT

199ms

CAA

69ms

HTTPS

51ms

TLSA

401ms

SOA

0ms

MTA-STS

68ms

DNSSEC

92ms

SRV

78ms

Total

1150ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-28 00:05:17	1150ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-26 21:49:52	1222ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-19 15:48:33	2008ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-26 14:18:03	1985ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-23 12:30:41	1367ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-09 02:49:22	2850ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-03 16:06:58	1735ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-01 03:42:38	1634ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-23 19:06:11	2875ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-21 16:51:18	1160ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-17 22:31:26	3045ms	2 NS 1 A 1 MX	🔒 Secure	View