backdrop.dk

📜 Historical scan 2026-07-02 00:30:45  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

backdrop.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 11 March 2026 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 216.198.79.1 is hosted by Amazon.com, Inc. (AS16509) in United States. Mail is handled by mx.simply.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#

3 records   27ms
NameserverIP addressesPTRASN / 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#

1 records   29ms
IPTTLPTRASNISP / OrgCIDRCountryCity
216.198.79.1 3600s — AS16509 Amazon.com, Inc. 216.198.79.0/24 🇺🇸 United States —

📧 MX Records#

1 records   28ms
PriorityTTLMail ServerIP addressesPTRASN
10 3600s mx.simply.com 94.231.106.20 mx.simply.com AS48854 team.blue Denmark A/S

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records   33ms
ServicePriorityWeightPortTarget
_autodiscover._tcp 10 10 443 maildiscover.simply.com

📝 TXT Records#

1 records   113ms
TXT Record
v=spf1 include:spf.simply.com -all

✉️ SPF#

PolicyRecord (backdrop.dk)
-all (hard fail) v=spf1 include:spf.simply.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 05:25:14
www CNAMEbackdrop.dk (all on backdrop.dk)
www vs bare domainSame network
backdrop.dk: 142.132.143.218 (AS24940)
www.backdrop.dk: 142.132.143.218 (AS24940)
WildcardNo

✍️ DKIM keys#

1 found
SelectorCNAMEKey
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: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

2 records   49ms
Service / OwnerTypeCert association
SMTP _25._tcp.mx.simply.com DANE-EE · SPKI · SHA-256 A9D603AF4D7ED6B9246B4B68500CD6F2…
SMTP _25._tcp.mx.simply.com DANE-EE · SPKI · SHA-256 97A3BA009F39C761BFFB6574340E8138…

🔐 DNSSEC#

51ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

27ms
FieldValue
Serial2026031104
Primary NS (MNAME)ns1.simply.com
Responsible (RNAME)hostmaster@simply.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)3600s

📋 Registration#

WHOIS fetched 2026-10-07 21:35:50
FieldValue
Registrarnordicway ApS
Registered2026-03-11
Expires2027-03-10 (139d)
📋 WHOIS#

⏱️ Lookup Timing#

NS
27ms
A
29ms
MX
28ms
AAAA
31ms
TXT
113ms
CAA
28ms
HTTPS
25ms
TLSA
49ms
SOA
27ms
MTA-STS
39ms
DNSSEC
51ms
SRV
33ms
Total
582ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-12 05:25:14 1571ms 4 NS 1 A 1 MX 🔓 Insecure
2026-09-29 23:03:25 608ms 4 NS 1 A 1 MX 🔓 Insecure
2026-08-27 20:34:59 763ms 4 NS 1 A 1 MX 🔓 Insecure
2026-08-26 11:21:23 791ms 4 NS 1 A 1 MX 🔓 Insecure
2026-08-14 08:42:41 1096ms 4 NS 1 A 1 MX 🔓 Insecure
2026-07-02 00:30:45 shown 582ms 3 NS 1 A 1 MX 🔒 Secure
2026-06-16 13:59:12 719ms 3 NS 1 A 1 MX 🔒 Secure
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