online-backup.dk DNS records

🖥️ Nameservers2 records 148ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.123hotel.dk	185.25.141.12 2a02:2339:4006:108::123	ns1.curanet.dk ns1.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.123hotel.dk	2a02:2339:1:10f::123:123 91.197.248.75	ns2.curanet.dk ns2.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records1 records 112ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
94.231.106.24	3600s	linux202.curanet.dk	AS48854	team.blue Denmark A/S	94.231.96.0/20	🇩🇰 Denmark	—

📧 MX Records3 records 110ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	mx1.onlinemail.io	185.21.42.12	mx1.onlinemail.io	AS48854 team.blue Denmark A/S
0	3600s	onlinebackup-dk01e.mail.protection.outlook.com	2a01:111:f403:ca04::e 2a01:111:f403:ca09::20 2a01:111:f403:ca09::5 2a01:111:f403:ca09::9 52.101.103.140 52.101.68.32 52.101.73.19 52.101.73.2	mail-db8pr02cu00106.inbound.protection.outlook.com mail-as8pr05cu00400.inbound.protection.outlook.com mail-am1pr04cu00105.inbound.protection.outlook.com mail-as8pr04cu00801.inbound.protection.outlook.com mail-miypr02cu00204.inbound.protection.outlook.com mail-db3pr0202cu00200.inbound.protection.outlook.com mail-as8pr04cu00803.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
10	3600s	mx2.onlinemail.io	46.36.208.16	mx2.onlinemail.io	AS48854 team.blue Denmark A/S

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 52.98.179.104
🔶 Autoconfig	94.231.106.24

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records6 records 327ms

TXT Record
ahrefs-site-verification_43eb89b8743e2e6cdf83efddf52f379eec82fa55cc361d600c97ae07358d7f1b
google-site-verification=4sFIT4oKw8Ydw8Kvh80Qz9NoMjBA2839URtWbKMVutE
google-site-verification=UjfeYieFUoUYWG1FeHHY_-ShIVlD6mGZO6dkfVCqMu0
MS=ms38155605
v=spf1 include:spf.curanet.dk -all
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

⚠ Multiple SPF records — RFC 7208 §4.5 violation (receivers must treat this as permerror)

Policy	Record (online-backup.dk)
-all (hard fail)	v=spf1 include:spf.curanet.dk -all
-all (hard fail)	v=spf1 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)

🔐 DNSSEC257ms

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

🏷️ SOA0ms

Field	Value
Serial	2026082402
Primary NS (MNAME)	ns1.123hotel.dk
Responsible (RNAME)	hostmaster@curanet.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

148ms

A

112ms

MX

110ms

AAAA

88ms

TXT

327ms

CAA

110ms

HTTPS

94ms

TLSA

202ms

SOA

0ms

MTA-STS

139ms

DNSSEC

257ms

SRV

200ms

Total

1545ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-25 08:14:35	1545ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-06-27 08:18:29	541ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-06-24 09:18:25	612ms	2 NS 1 A 2 MX	⚠️ Bogus	View
2026-06-20 07:57:08	596ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-06-18 05:10:23	585ms	2 NS 1 A 2 MX	🔒 Secure	View