back-it-up.dk

📜 Historical scan 2026-06-27 02:27:58 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

back-it-up.dk is a .dk domain served by 3 nameservers (ns1.e-studio.dk, ns2.e-studio.dk, ns3.e-studio.dk). It was already in the .dk zone when our tracking began on 16 June 2026. The zone is DNSSEC-signed but currently fails validation, has no DMARC policy and is reachable over IPv6. 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#

3 records 249ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.e-studio.dk	195.242.131.5 2001:67c:564:fffc::11	ns1.e-studio.dk —	AS62121 Christian Ebsen ApS AS62121 Christian Ebsen ApS
ns2.e-studio.dk	2a00:1b18:2:3::2 62.69.152.34	ns2.e-studio.dk 34.34-46.152.69.62.in-addr.arpa	AS47527 DLX A/S AS47527 DLX A/S
ns3.e-studio.dk	193.200.90.183 2001:67c:564:fffc::13	ns3.e-studio.dk —	AS62121 Christian Ebsen ApS AS62121 Christian Ebsen ApS

🌍 A Records#

🌍

No A records found

📧 MX Records#

📧

No MX records found

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	195.242.130.94
🔶 Autoconfig	195.242.130.94

🔷 AAAA Records (IPv6)#

1 records 236ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2001:67c:564:fffc::3001	14400s	—	AS62121	Christian Ebsen ApS	2001:67c:564:0:0:0:0:0/48	🇩🇰 Denmark	—

🔐 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 2026-10-07 18:58:36

www CNAME	back-it-up.dk (all on back-it-up.dk) → 195.242.130.94 2001:67c:564:fffc::3001 (AS62121)
www vs bare domain	Same network back-it-up.dk: 195.242.130.94 2001:67c:564:fffc::3001 (AS62121) www.back-it-up.dk: 195.242.130.94 2001:67c:564:fffc::3001 (AS62121)
Wildcard	No
Denial of existence	NSEC3 · 7 iterations · 8-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
default	—	RSA · ~2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.back-it-up.dk	jtpIjLuXklqoQFpYqGAuRfWQXkCpq7k5Nns392jWtYA

🔗 TLSA / DANE#

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

🔐 DNSSEC#

612ms

Check	Result
Validation Status	⚠️ Bogus
AD Flag (resolver validates)	✗ Not set
DS Record	✓ Found
DNSKEY Record	✗ Not found
Flags	resolution failed: failure

🏷️ SOA#

✗ No SOA record found

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

249ms

348ms

382ms

AAAA

236ms

TXT

1067ms

CAA

233ms

HTTPS

242ms

TLSA

160ms

SOA

416ms

MTA-STS

231ms

DNSSEC

612ms

SRV

582ms

Total

1802ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-27 16:12:34	946ms	3 NS 1 A 1 MX	🔒 Secure
2026-08-16 23:20:43	1343ms	3 NS 1 A 1 MX	🔒 Secure
2026-07-27 23:07:50	762ms	3 NS 1 A 1 MX	🔒 Secure
2026-06-27 07:05:40	3624ms	3 NS 1 A 1 MX	🔒 Secure
2026-06-27 02:27:58 shown	1802ms	3 NS 0 A 0 MX	⚠️ Bogus
2026-06-22 05:06:51	574ms	3 NS 1 A 1 MX	🔒 Secure
2026-06-20 01:58:09	933ms	3 NS 1 A 1 MX	🔒 Secure
2026-06-16 13:59:12	836ms	3 NS 1 A 1 MX	🔒 Secure