backend.dk

📜 Historical scan 2026-09-24 14:52:12 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

backend.dk is a .dk domain served by 4 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com and 1 more). It was registered on 20 March 2006 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 94.231.109.7 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 3 more. The zone is DNSSEC-signed and validates, publishes a 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#

4 records 30ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.simply.com	2a02:2339:1:15c::4562:4562 91.197.248.78	ns1.simply.com ns1.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.simply.com	185.25.141.15 2a02:2339:4006:101::4562:4562	ns2.simply.com ns2.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns3.simply.com	91.197.248.79	ns3.simply.com	AS48854 team.blue Denmark A/S
ns4.simply.com	91.197.248.80	ns4.simply.com	AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 42ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
94.231.109.7	3600s	nt4.unoeuro.com	AS48854	team.blue Denmark A/S	94.231.96.0/20	🇩🇰 Denmark	—

📧 MX Records#

5 records 50ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	3600s	aspmx.l.google.com	209.85.233.26 2a00:1450:4010:c0f::1b 2a00:1450:4010:c0f::1b	lr-in-f26.1e100.net lt-in-f27.1e100.net lt-in-x1b.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
5	3600s	alt1.aspmx.l.google.com	192.178.158.26 2404:6800:4013:813::1a	lcdels-in-f26.1e100.net lcdels-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	3600s	alt2.aspmx.l.google.com	173.194.41.27 173.194.41.27 2404:6800:4001:c01::1a	yukulwh-in-f27.1e100.net mad01s14-in-f27.1e100.net yukulwh-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
10	3600s	alt3.aspmx.l.google.com	172.253.158.27 2404:6800:4003:c26::1a	so-in-f27.1e100.net so-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	3600s	alt4.aspmx.l.google.com	108.177.125.26 2404:6800:4008:c01::1a	tp-in-f26.1e100.net tp-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	94.231.109.7
🔶 Autoconfig	94.231.109.7

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 155ms

TXT Record
google-site-verification=PvSWt0ojUs7mVbEZuxi3qVa-B3U6oNNhDIk59xjsscM
v=spf1 include:_spf.google.com include:spf.simply.com -all

✉️ SPF#

Policy	Record (backend.dk)
-all (hard fail)	v=spf1 include:_spf.google.com include:spf.simply.com -all

📨 DMARC#

Policy	Record (_dmarc.backend.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:dmarc@robot.simply.com; ruf=mailto:dmarc@robot.simply.com;

📬 MTA-STS#

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT#

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records#

2 records 37ms

Flags	Tag	Value
0	iodef	mailto:hostmaster@hs235.dk
0	issue	letsencrypt.org

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-08 18:45:19

www	94.231.109.7 (AS48854) (address records, no CNAME)
www vs bare domain	Same network backend.dk: 94.231.109.7 (AS48854) www.backend.dk: 94.231.109.7 (AS48854)
Wildcard	Yes: any name under the zone resolves
Denial of existence	NSEC zone can be walked (all names enumerable)
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

73ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2026052600
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-09-30 16:01:01

Field	Value
Registrar	Simply.com A/S
Registered	2006-03-20
Expires	2034-11-30 (2966d)

📋 WHOIS#

⏱️ Lookup Timing#

30ms

42ms

50ms

AAAA

39ms

TXT

155ms

CAA

37ms

HTTPS

34ms

TLSA

106ms

SOA

0ms

MTA-STS

46ms

DNSSEC

73ms

SRV

55ms

Total

730ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-30 15:35:06	1487ms	4 NS 1 A 5 MX	🔒 Secure
2026-09-24 14:52:12 shown	730ms	4 NS 1 A 5 MX	🔒 Secure
2026-07-23 14:07:40	17098ms	4 NS 1 A 5 MX	🔒 Secure
2026-06-24 23:27:03	1100ms	4 NS 1 A 5 MX	🔒 Secure
2026-06-16 13:59:26	681ms	4 NS 1 A 5 MX	🔒 Secure