backend.dk

Records from scan: 2026-09-30 15:35:06 · 1487ms total · last checked 2026-10-16 07:52 (unchanged)

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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 our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

4 records 39ms

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 62ms

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 79ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	3600s	aspmx.l.google.com	2a00:1450:4010:c02::1a 2a00:1450:4010:c02::1a 64.233.164.26	le-in-f26.1e100.net le-in-x1a.1e100.net lf-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
5	3600s	alt1.aspmx.l.google.com	192.178.158.27 2404:6800:4013:813::1a	lcdels-in-f27.1e100.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	108.177.125.27 2404:6800:4008:c01::1a	tp-in-f27.1e100.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 248ms

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 91ms

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

🧩 Web & zone#

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#

287ms

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

🏷️ SOA#

40ms

Field	Value
Serial	2026093000
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#

39ms

62ms

79ms

AAAA

39ms

TXT

248ms

CAA

91ms

HTTPS

85ms

TLSA

169ms

SOA

40ms

MTA-STS

136ms

DNSSEC

287ms

SRV

115ms

Total

1487ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-30 15:35:06 shown	1487ms	4 NS 1 A 5 MX	🔒 Secure
2026-09-24 14:52:12	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