backs.dk

📜 Historical scan 2026-08-26 22:17:41 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

backs.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 7 February 2000 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 90.184.223.43 is hosted by Hiper A/S (AS203953) in Denmark. Mail is handled by backs-dk.mail.protection.outlook.com. 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 49ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records#

1 records 63ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
90.184.223.43	43200s	x5ab8df2b.customers.hiper-net.dk	AS203953	Hiper A/S	90.184.0.0/15	🇩🇰 Denmark	Taastrup

📧 MX Records#

1 records 78ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	backs-dk.mail.protection.outlook.com	2a01:111:f403:c967::8 2a01:111:f403:ca04::4 2a01:111:f403:ca09::7 2a01:111:f403:ca38::8 52.101.103.140 52.101.209.153 52.101.68.15 52.101.68.16	mail-cpjpr04cu00100.inbound.protection.outlook.com mail-db4pr02cu00204.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-wa4pr04cu00100.inbound.protection.outlook.com mail-miypr02cu00204.inbound.protection.outlook.com mail-cpjpr04cu00101.inbound.protection.outlook.com mail-db6pr03cu00107.inbound.protection.outlook.com mail-db4pr02cu00400.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

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.56

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 195ms

TXT Record
MS=ms39137191
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (backs.dk)
-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#

latest probe, not this scan · checked 2026-10-12 16:23:49

www	90.184.223.43 (AS203953) (address records, no CNAME)
www vs bare domain	Same network backs.dk: 90.184.223.43 (AS203953) www.backs.dk: 90.184.223.43 (AS203953)
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

119ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2026081101
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

WHOIS fetched 2026-10-10 12:07:42

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2000-02-07
Expires	2027-03-31 (162d)

📋 WHOIS#

⏱️ Lookup Timing#

49ms

63ms

78ms

AAAA

60ms

TXT

195ms

CAA

68ms

HTTPS

34ms

TLSA

188ms

SOA

0ms

MTA-STS

98ms

DNSSEC

119ms

SRV

86ms

Total

1024ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-12 16:23:49	1070ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-11 05:34:28	1716ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-28 02:48:47	1403ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-26 22:17:41 shown	1024ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-12 06:19:28	1492ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-25 20:56:27	7559ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-17 22:01:17	1140ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-15 02:30:31	1666ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-24 20:04:43	954ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-16 13:59:26	704ms	2 NS 1 A 1 MX	🔒 Secure