online-backup.dk

Records from scan: 2026-09-26 03:37:19 · 1258ms total · last checked 2026-10-16 20:16 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

online-backup.dk is a .dk domain served by 2 nameservers (ns1.123hotel.dk, ns2.123hotel.dk). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 94.231.106.24 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by mx1.onlinemail.io, onlinebackup-dk01e.mail.protection.outlook.com and 1 more. The zone is DNSSEC-signed and validates, has no DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 33ms

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 Records#

1 records 49ms

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 Records#

3 records 36ms

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::10 2a01:111:f403:ca09::22 2a01:111:f403:ca09::a 2a01:111:f403:ca21::8 52.101.209.28 52.101.68.21 52.101.73.126 52.101.91.156	mail-dbapr03cu00100.inbound.protection.outlook.com mail-am7pr02cu00302.inbound.protection.outlook.com mail-am7pr02cu00202.inbound.protection.outlook.com mail-matpr04cu00100.inbound.protection.outlook.com mail-cpjpr05cu00104.inbound.protection.outlook.com mail-db4pr02cu00205.inbound.protection.outlook.com mail-am8pr83cu00106.inbound.protection.outlook.com mail-maspr04cu00104.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 → 52.98.154.152
🔶 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 Records#

6 records 153ms

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

🧩 Web & zone#

checked 2026-10-09 08:12:36

www	94.231.106.24 (AS48854) (address records, no CNAME)
www vs bare domain	Same network online-backup.dk: 94.231.106.24 (AS48854) www.online-backup.dk: 94.231.106.24 (AS48854)
Wildcard	Yes: any name under the zone resolves
Denial of existence	NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 3/10 · policy: -all

error 2 SPF records: receivers must treat that as a permanent error (RFC 7208 §4.5)

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

60ms

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

🏷️ SOA#

0ms

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 yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

33ms

49ms

36ms

AAAA

35ms

TXT

153ms

CAA

24ms

HTTPS

37ms

TLSA

687ms

SOA

0ms

MTA-STS

58ms

DNSSEC

60ms

SRV

60ms

Total

1258ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-26 03:37:19 shown	1258ms	2 NS 1 A 3 MX	🔒 Secure
2026-08-25 08:14:35	1545ms	2 NS 1 A 3 MX	🔒 Secure
2026-06-27 08:18:29	541ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-24 09:18:25	612ms	2 NS 1 A 2 MX	⚠️ Bogus
2026-06-20 07:57:08	596ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-18 05:10:23	585ms	2 NS 1 A 2 MX	🔒 Secure