back-it-up.dk

📜 Historical scan 2026-06-22 05:06:51 · ← 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. Its website address 195.242.130.94 is hosted by Christian Ebsen ApS (AS62121) in Denmark. Mail is handled by back-it-up.dk. The zone is DNSSEC-signed and validates, publishes a 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 18ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.e-studio.dk	195.242.131.5 2001:67c:564:fffc::11	ns1.e-studio.dk 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 ns3.e-studio.dk	AS62121 Christian Ebsen ApS AS62121 Christian Ebsen ApS

🌍 A Records#

1 records 73ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
195.242.130.94	14400s	web3.e-studio.dk	AS62121	Christian Ebsen ApS	195.242.130.0/23	🇩🇰 Denmark	—

📧 MX Records#

1 records 35ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	14400s	back-it-up.dk	195.242.130.94 2001:67c:564:fffc::3001	web3.e-studio.dk —	AS62121 Christian Ebsen ApS AS62121 Christian Ebsen ApS

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	195.242.130.94
🔶 Autoconfig	195.242.130.94

🔷 AAAA Records (IPv6)#

1 records 59ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2001:67c:564:fffc::3001	7200s	—	AS62121	Christian Ebsen ApS	2001:67c:564:0:0:0:0:0/48	🇩🇰 Denmark	—

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 206ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	0	0	443	cpanelemaildiscovery.cpanel.net

📝 TXT Records#

1 records 152ms

TXT Record
v=spf1 ip4:195.242.130.94 include:_spf.e-studio.dk +a +mx ~all

✉️ SPF#

Policy	Record (back-it-up.dk)
~all (soft fail)	v=spf1 ip4:195.242.130.94 include:_spf.e-studio.dk +a +mx ~all

📨 DMARC#

Policy	Record (_dmarc.back-it-up.dk)
p=none (monitor only)	v=DMARC1; p=none;

📬 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.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 3/10 · policy: ~all

No problems found

🔏 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#

66ms

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

🏷️ SOA#

57ms

Field	Value
Serial	2026061600
Primary NS (MNAME)	ns1.e-studio.dk
Responsible (RNAME)	hostmaster@mailrelay.e-studio.dk
Refresh	3600s
Retry	1800s
Expire	1209600s
Minimum (neg-cache TTL)	86400s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

18ms

73ms

35ms

AAAA

59ms

TXT

152ms

CAA

51ms

HTTPS

57ms

TLSA

80ms

SOA

57ms

MTA-STS

89ms

DNSSEC

66ms

SRV

206ms

Total

574ms

🕐 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	1802ms	3 NS 0 A 0 MX	⚠️ Bogus
2026-06-22 05:06:51 shown	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