i-vu.dk DNS records

🖥️ Nameservers3 records 30ms

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 25ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	3600s	ivu-dk0c.mail.protection.outlook.com	2a01:111:f403:ca04::10 2a01:111:f403:ca09::1 2a01:111:f403:ca09::8 2a01:111:f403:ca09::c 52.101.73.12 52.101.73.153 52.101.73.24 52.101.73.8	mail-dbapr03cu00100.inbound.protection.outlook.com mail-as9pr07cu00301.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-as8pr05cu00304.inbound.protection.outlook.com mail-am4pr0401cu00104.inbound.protection.outlook.com mail-as8pr05cu00401.inbound.protection.outlook.com mail-as8pr05cu00300.inbound.protection.outlook.com mail-am0pr04cu00500.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)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 54ms

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

📝 TXT Records1 records 89ms

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

✉️ SPF

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

📨 DMARC

Policy	Record (_dmarc.i-vu.dk)
p=reject	v=DMARC1; p=reject; aspf=r;

📬 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)

🔐 DNSSEC95ms

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	86400s
Retry	7200s
Expire	3600000s
Minimum (neg-cache TTL)	172800s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

30ms

A

28ms

MX

25ms

AAAA

28ms

TXT

89ms

CAA

20ms

HTTPS

17ms

TLSA

2866ms

SOA

0ms

MTA-STS

36ms

DNSSEC

95ms

SRV

54ms

Total

3303ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-31 06:26:27	3303ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-26 15:26:38	723ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-21 23:49:52	1939ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-17 18:41:09	1337ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-11 04:33:20	3140ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-07 07:16:53	8981ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-03 13:40:26	1820ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-27 13:04:55	2255ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-22 08:06:18	1318ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-17 18:15:45	3564ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-15 07:43:06	1955ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-08 20:24:25	2007ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-03 12:37:34	1106ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-06-27 03:46:00	706ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-06-25 05:50:01	1010ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-06-24 19:11:20	1748ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 14:16:23	1167ms	3 NS 1 A 1 MX	🔒 Secure	View