backop.dk

📜 Historical scan 2026-08-10 00:46:35 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

backop.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 3 November 2025 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 141.193.213.10 is hosted by Cloudflare London, LLC (AS209242) in United States. Mail is handled by smtp.google.com. The zone is not DNSSEC-signed, 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#

3 records 68ms

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

🌍 A Records#

2 records 96ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
141.193.213.10	600s	—	AS209242	Cloudflare London, LLC	141.193.213.0/24	🇺🇸 United States	—
141.193.213.11	600s	—	AS209242	Cloudflare London, LLC	141.193.213.0/24	🇺🇸 United States	—

📧 MX Records#

1 records 79ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	600s	smtp.google.com	142.251.1.26 142.251.1.27 173.194.220.26 173.194.221.26 173.194.221.27 2a00:1450:4010:c0a::1a 2a00:1450:4010:c0a::1a 2a00:1450:4010:c0a::1b 2a00:1450:4010:c0a::1b 2a00:1450:4010:c1e::1a 2a00:1450:4010:c1e::1b	lb-in-f26.1e100.net lb-in-f27.1e100.net lk-in-f26.1e100.net lm-in-f26.1e100.net lm-in-f27.1e100.net lm-in-f26.1e100.net lm-in-x1a.1e100.net lm-in-x1b.1e100.net lm-in-f27.1e100.net lb-in-f26.1e100.net lb-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 246ms

TXT Record
google-site-verification=INWvpIiIT9gUOsxNZkgBf-FcH6FX5LLBoWkzkMj0RrI
v=spf1 include:send.heysender.com ~all

✉️ SPF#

Policy	Record (backop.dk)
~all (soft fail)	v=spf1 include:send.heysender.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 2026-10-13 00:51:30

www	141.193.213.10 141.193.213.11 (AS209242) (address records, no CNAME)
www vs bare domain	Same network backop.dk: 141.193.213.10 141.193.213.11 (AS209242) www.backop.dk: 141.193.213.10 141.193.213.11 (AS209242)
Wildcard	No
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: 1/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

182ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✓ Found
Flags	unsigned answer

🏷️ SOA#

0ms

Field	Value
Serial	2026080811
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 2026-10-04 16:39:26

Field	Value
Registrar	Simply.com A/S
Registered	2025-11-03
Expires	2026-11-02 (14d)

📋 WHOIS#

⏱️ Lookup Timing#

68ms

96ms

79ms

AAAA

78ms

TXT

246ms

CAA

80ms

HTTPS

84ms

TLSA

120ms

SOA

0ms

MTA-STS

84ms

DNSSEC

182ms

SRV

163ms

Total

1656ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-13 00:51:29	1000ms	3 NS 2 A 1 MX	🔓 Insecure
2026-10-04 16:05:36	1428ms	3 NS 2 A 1 MX	🔓 Insecure
2026-10-03 15:58:44	1116ms	3 NS 2 A 1 MX	🔓 Insecure
2026-09-29 16:12:03	557ms	3 NS 2 A 1 MX	🔓 Insecure
2026-09-27 18:39:53	9560ms	3 NS 2 A 1 MX	🔓 Insecure
2026-09-06 16:36:07	2582ms	3 NS 2 A 1 MX	🔓 Insecure
2026-09-01 06:29:44	2576ms	3 NS 2 A 1 MX	🔓 Insecure
2026-08-28 09:44:38	768ms	3 NS 2 A 1 MX	🔓 Insecure
2026-08-10 00:46:35 shown	1656ms	3 NS 2 A 1 MX	🔓 Insecure
2026-07-21 17:43:29	1056ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-20 23:29:44	950ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-20 23:28:04	1162ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-16 13:59:20	778ms	2 NS 2 A 1 MX	🔒 Secure