holboell.dk DNS records

🖥️ Nameservers3 records 58ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.hostbase.dk	185.103.123.13	—	AS204171 TD-K A/S
ns2.hostbase.dk	185.103.123.14	—	AS204171 TD-K A/S
ns3.hostbase.dk	185.150.199.99	—	AS202914 Adeo Datacenter ApS

🌍 A Records1 records 49ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
94.231.106.67	3600s	linux207.curanet.dk	AS48854	team.blue Denmark A/S	94.231.96.0/20	🇩🇰 Denmark	—

📧 MX Records1 records 54ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	holboell-dk.mail.protection.outlook.com	2a01:111:f403:ca04::7 2a01:111:f403:ca04::c 2a01:111:f403:ca09::b 2a01:111:f403:ca09::d 52.101.209.153 52.101.68.5 52.101.73.123 52.101.73.2	mail-db4pr02cu00307.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-am7pr05cu00103.inbound.protection.outlook.com mail-as9pr05cu01305.inbound.protection.outlook.com mail-cpjpr04cu00101.inbound.protection.outlook.com mail-du2pr03cu00105.inbound.protection.outlook.com mail-am6pr02cu00203.inbound.protection.outlook.com mail-as9pr07cu00302.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 → 40.104.116.8

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 215ms

TXT Record
v=spf1 ip4:20.105.189.48 ip4:185.103.121.9 include:spf.protection.outlook.com include:spf.eu.exclaimer.net include:hostbase.dk -all

✉️ SPF

Policy	Record (holboell.dk)
-all (hard fail)	v=spf1 ip4:20.105.189.48 ip4:185.103.121.9 include:spf.protection.outlook.com include:spf.eu.exclaimer.net include:hostbase.dk -all

📨 DMARC

Policy	Record (_dmarc.holboell.dk)
p=quarantine	v=DMARC1; p=quarantine; rua=mailto:dmarc@td-k.dk; ruf=mailto:dmarc@td-k.dk; adkim=s; aspf=s; fo=0:1:d:s;

📬 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)

🔐 DNSSEC100ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA0ms

Field	Value
Serial	61
Primary NS (MNAME)	ns1.hostbase.dk
Responsible (RNAME)	hostmaster@hostbase.local
Refresh	900s
Retry	600s
Expire	86400s
Minimum (neg-cache TTL)	3600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

58ms

A

49ms

MX

54ms

AAAA

48ms

TXT

215ms

CAA

57ms

HTTPS

45ms

TLSA

183ms

SOA

0ms

MTA-STS

64ms

DNSSEC

100ms

SRV

78ms

Total

1025ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-31 11:40:16	1025ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-06-24 07:19:08	836ms	3 NS 1 A 1 MX	❓ Unknown	View
2026-06-20 14:16:25	7795ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-06-18 16:27:49	1901ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-06-17 13:15:01	270ms	0 NS 0 A 0 MX	❓ Unknown	View