ncjacobsen.dk DNS records

🖥️ Nameservers3 records 33ms

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 28ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
217.195.185.219	3600s	webhotel11.hostonline.dk	AS31027	GlobalConnect A/S	217.195.176.0/20	🇩🇰 Denmark	—

📧 MX Records1 records 27ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	ncjacobsen-dk.mail.protection.outlook.com	2a01:111:f403:ca04::9 2a01:111:f403:ca09::3 2a01:111:f403:ca09::c 2a01:111:f403:ca48::a 52.101.103.137 52.101.68.10 52.101.68.36 52.101.73.145	mail-db7pr03cu00601.inbound.protection.outlook.com mail-am6pr04cu00303.inbound.protection.outlook.com mail-as8pr05cu00304.inbound.protection.outlook.com mail-miypr02cu00202.inbound.protection.outlook.com mail-miypr02cu00101.inbound.protection.outlook.com mail-dbbpr03cu00102.inbound.protection.outlook.com mail-db5pr02cu00104.inbound.protection.outlook.com mail-am6pr02cu00301.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)1 records 27ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:188:6004:10::27	3600s	webhotel11.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 96ms

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

📝 TXT Records2 records 120ms

TXT Record
MS=ms66336160
v=spf1 mx a ip4:217.195.185.219 include:_spf.hostonline.dk include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (ncjacobsen.dk)
-all (hard fail)	v=spf1 mx a ip4:217.195.185.219 include:_spf.hostonline.dk include:spf.protection.outlook.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)

🔐 DNSSEC103ms

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

🏷️ SOA0ms

Field	Value
Serial	2026082902
Primary NS (MNAME)	ns4.hostonline.dk
Responsible (RNAME)	hostmaster@hostonline.dk
Refresh	86400s
Retry	7200s
Expire	3600000s
Minimum (neg-cache TTL)	172800s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

33ms

A

28ms

MX

27ms

AAAA

27ms

TXT

120ms

CAA

24ms

HTTPS

24ms

TLSA

745ms

SOA

0ms

MTA-STS

32ms

DNSSEC

103ms

SRV

96ms

Total

1262ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-29 14:40:25	1262ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-27 03:56:06	889ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-24 12:41:40	1646ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-19 05:24:49	7700ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-15 01:15:18	1821ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-10 12:55:38	7660ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-07 05:09:37	10138ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-25 10:52:49	11966ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-21 00:30:48	9304ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-15 23:49:54	12268ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-10 05:48:49	1537ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-05 21:30:37	3895ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-01 06:47:56	847ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-06-27 18:54:05	854ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-06-21 03:33:06	5229ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-06-19 00:11:57	832ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 11:35:44	3151ms	3 NS 1 A 1 MX	🔒 Secure	View