probackup.dk

📜 Historical scan 2026-06-18 04:12:30 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

probackup.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 82.103.134.12 is hosted by Asergo Holding ApS (AS30736) in Denmark. Mail is handled by mail.probackup.dk, backup-mx.zitcom.dk. The zone is DNSSEC-signed and validates, has no DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 127ms

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 102ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
82.103.134.12	—	—	AS30736	Asergo Holding ApS	82.103.128.0/18	🇩🇰 Denmark	—

📧 MX Records#

2 records 100ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	—	mail.probackup.dk	82.103.134.12	—	AS30736 Asergo Holding ApS
100	—	backup-mx.zitcom.dk	46.36.212.34 46.36.212.36 46.36.212.37 46.36.212.38 89.188.78.64 89.188.78.65 89.188.78.66 94.231.106.12	node4.spamfilter.io node8.spamfilter.io node6.spamfilter.io node7.spamfilter.io node3.spamfilter.io node9.spamfilter.io node10.spamfilter.io node2.spamfilter.io	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	82.103.134.12
🔶 Autoconfig	82.103.134.12

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

📝

No TXT records found

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 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#

latest probe, not this scan · checked 2026-10-08 14:20:25

www	82.103.134.12 (AS30736) (address records, no CNAME)
www vs bare domain	Same network probackup.dk: 82.103.134.12 (AS30736) www.probackup.dk: 82.103.134.12 (AS30736)
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

🔗 TLSA / DANE#

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

🔐 DNSSEC#

234ms

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

🏷️ SOA#

125ms

Field	Value
Serial	2021111801
Primary NS (MNAME)	ns1.123hotel.dk
Responsible (RNAME)	hostmaster@123hotel.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#

127ms

102ms

100ms

AAAA

100ms

TXT

255ms

CAA

98ms

HTTPS

98ms

TLSA

88ms

SOA

125ms

MTA-STS

34ms

DNSSEC

234ms

SRV

463ms

Total

1000ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-01 14:23:49	646ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-18 04:31:52	3055ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-18 04:12:30 shown	1000ms	2 NS 1 A 2 MX	🔒 Secure