u-k.dk DNS records

🖥️ Nameservers3 records 53ms

Nameserver	IP addresses	PTR	ASN / ISP
ns4.hostonline.dk	217.195.185.243 2a02:188:6004:14::10	ns4.hostonline.dk ns4.hostonline.dk	AS31027 GlobalConnect A/S AS31027 GlobalConnect A/S
ns5.hostonline.dk	217.195.185.244 2a02:188:6004:14::11	ns5.hostonline.dk ns5.hostonline.dk	AS31027 GlobalConnect A/S AS31027 GlobalConnect A/S
ns6.hostonline.dk	85.191.126.85	ns6.hostonline.dk	AS204274 AURA Fiber A/S

🌍 A Records1 records 55ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
217.195.185.218	3600s	webhotel10.hostonline.dk	AS31027	GlobalConnect A/S	217.195.176.0/20	🇩🇰 Denmark	Copenhagen

📧 MX Records1 records 27ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	43200s	uk-dk0c.mail.protection.outlook.com	2a01:111:f403:ca04::1 2a01:111:f403:ca09::2 2a01:111:f403:ca09::9 2a01:111:f403:ca48::8 52.101.209.153 52.101.68.36 52.101.73.15 52.101.73.19	mail-db7pr03cu00401.inbound.protection.outlook.com mail-am0pr83cu00402.inbound.protection.outlook.com mail-as8pr04cu00801.inbound.protection.outlook.com mail-miypr02cu00100.inbound.protection.outlook.com mail-cpjpr04cu00101.inbound.protection.outlook.com mail-db5pr02cu00104.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-as8pr04cu00803.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 → 40.104.116.56

🔷 AAAA Records (IPv6)1 records 60ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:188:6004:10::26	3600s	webhotel10.hostonline.dk	AS31027	GlobalConnect A/S	2a02:188:0:0:0:0:0:0/30	🇩🇰 Denmark	—

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 75ms

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

📝 TXT Records2 records 186ms

TXT Record
_globalsign-domain-verification=fTWM-NcfUx8fajYJ42t_MU0_GH7BnYfrjJBy3xTd8u
v=spf1 include:spf.protection.outlook.com ~all

✉️ SPF

Policy	Record (u-k.dk)
~all (soft fail)	v=spf1 include:spf.protection.outlook.com ~all

📨 DMARC

Policy	Record (_dmarc.u-k.dk)
p=reject	v=DMARC1; p=reject; fo=1

📬 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)

🔐 DNSSEC90ms

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

🏷️ SOA0ms

Field	Value
Serial	2026083102
Primary NS (MNAME)	ns4.hostonline.dk
Responsible (RNAME)	hostmaster@hostonline.dk
Refresh	43200s
Retry	43200s
Expire	604800s
Minimum (neg-cache TTL)	43200s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

53ms

A

55ms

MX

27ms

AAAA

60ms

TXT

186ms

CAA

44ms

HTTPS

48ms

TLSA

378ms

SOA

0ms

MTA-STS

59ms

DNSSEC

90ms

SRV

75ms

Total

1012ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-02 01:04:26	1012ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-31 08:56:47	1827ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-27 18:12:30	1027ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-26 21:04:50	2822ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-26 13:15:26	1125ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-21 19:00:30	8749ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-17 02:54:49	1969ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-12 06:06:36	3935ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-07 19:28:57	1864ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-04 12:01:06	11955ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-28 01:34:03	2209ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-22 20:39:31	2250ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-18 04:48:29	2319ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-12 08:22:41	1950ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-08 15:50:22	1835ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-03 16:27:41	946ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-06-29 16:28:59	1200ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 19:36:50	766ms	3 NS 1 A 1 MX	🔒 Secure	View