dsr.dk

📜 Historical scan 2026-06-17 04:50:32  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

dsr.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 10 October 1994 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 4.231.35.205 is hosted by Microsoft Corporation (AS8075) in The Netherlands. Mail is handled by dk.mx1.mailanyone.net, dk.mx2.mx25.net and 2 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#

2 records   45ms
NameserverIP addressesPTRASN / ISP
ns01.one.com — — —
ns02.one.com — — —

🌍 A Records#

1 records   46ms
IPTTLPTRASNISP / OrgCIDRCountryCity
4.231.35.205 — — AS8075 Microsoft Corporation 4.224.0.0/11 🇳🇱 The Netherlands Amsterdam

📧 MX Records#

4 records   60ms
PriorityTTLMail ServerIP addressesPTRASN
10 — dk.mx1.mailanyone.net 192.162.219.155 mx41.electric.net AS16509 Amazon.com, Inc.
20 — dk.mx2.mx25.net 192.162.219.49 mx41.electric.net AS16509 Amazon.com, Inc.
30 — dk.mx3.mailanyone.net 192.162.219.255 mx41.electric.net AS16509 Amazon.com, Inc.
40 — dk.mx4.mx25.net 192.162.219.255 mx41.electric.net AS16509 Amazon.com, Inc.

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

3 records   2099ms
TXT Record
google-site-verification=KuSmrjYtGtJrcjN-mVAeT7L7LPYiZruQFBzyyf2qeSo
traction-guest=15637004-4788-41e3-bc94-62d8bc74561a
v=spf1 mx a ip4:20.54.238.131 ip4:93.191.155.240 ip4:34.110.180.34 ip4:34.127.83.42 ip4:20.16.248.199 ip4:194.28.252.26/32 ip4:91.227.208.0/24 ip4:185.64.72.0/24 ip4:194.71.205.0/24 ip4:91.213.250.10 ip4:77.233.249.32/28 ip4:5.56.151.135 ip4:5.56.151.139 include:mail.zendesk.com include:spf.mailanyone.net include:spf.protection.outlook.com include:spf.topdesk.net include:spf.mandrillapp.com include:_spf.emply.com -all

✉️ SPF#

PolicyRecord (dsr.dk)
-all (hard fail) v=spf1 mx a ip4:20.54.238.131 ip4:93.191.155.240 ip4:34.110.180.34 ip4:34.127.83.42 ip4:20.16.248.199 ip4:194.28.252.26/32 ip4:91.227.208.0/24 ip4:185.64.72.0/24 ip4:194.71.205.0/24 ip4:91.213.250.10 ip4:77.233.249.32/28 ip4:5.56.151.135 ip4:5.56.151.139 include:mail.zendesk.com include:spf.mailanyone.net include:spf.protection.outlook.com include:spf.topdesk.net include:spf.mandrillapp.com include:_spf.emply.com -all

📨 DMARC#

PolicyRecord (_dmarc.dsr.dk)
p=none (monitor only) v=DMARC1; p=none;

📬 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 00:34:06
www CNAMEdsr.dk (all on dsr.dk)
www vs bare domainSame network
dsr.dk: 4.231.35.205 (AS8075)
www.dsr.dk: 4.231.35.205 (AS8075)
WildcardNo
Denial of existenceNSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEYNone 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

2 found
SelectorCNAMEKey
s1 s1.domainkey.u7650013.wl014.sendgrid.net RSA · ~2048 bit
s2 s2.domainkey.u7650013.wl014.sendgrid.net RSA · ~1024 bit below 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: 8/10 · policy: -all

  • warn 8 of the 10 allowed DNS lookups used: one more include can break SPF

🔗 TLSA / DANE#

8 records   101ms
Service / OwnerTypeCert association
SMTP _25._tcp.dk.mx1.mailanyone.net DANE-EE · Full cert · SHA-256 443DFE296DAC92DD311766BAD0B04CC7…
SMTP _25._tcp.dk.mx1.mailanyone.net DANE-EE · Full cert · SHA-256 1AAAC405385DEB66C25E43D629569F6C…
SMTP _25._tcp.dk.mx2.mx25.net DANE-EE · Full cert · SHA-256 1AAAC405385DEB66C25E43D629569F6C…
SMTP _25._tcp.dk.mx2.mx25.net DANE-EE · Full cert · SHA-256 443DFE296DAC92DD311766BAD0B04CC7…
SMTP _25._tcp.dk.mx3.mailanyone.net DANE-EE · Full cert · SHA-256 1AAAC405385DEB66C25E43D629569F6C…
SMTP _25._tcp.dk.mx3.mailanyone.net DANE-EE · Full cert · SHA-256 443DFE296DAC92DD311766BAD0B04CC7…
SMTP _25._tcp.dk.mx4.mx25.net DANE-EE · Full cert · SHA-256 443DFE296DAC92DD311766BAD0B04CC7…
SMTP _25._tcp.dk.mx4.mx25.net DANE-EE · Full cert · SHA-256 1AAAC405385DEB66C25E43D629569F6C…

🔐 DNSSEC#

133ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

43ms
FieldValue
Serial2026061101
Primary NS (MNAME)ns01.one.com
Responsible (RNAME)hostmaster@one.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)600s

📋 Registration#

WHOIS fetched 2026-10-08 19:09:29
FieldValue
RegistrarONE.COM A/S
Registered1994-10-10
Expires2027-04-30 (189d)
📋 WHOIS#

⏱️ Lookup Timing#

NS
45ms
A
46ms
MX
60ms
AAAA
35ms
TXT
2099ms
CAA
57ms
HTTPS
35ms
TLSA
101ms
SOA
43ms
MTA-STS
56ms
DNSSEC
133ms
SRV
0ms
Total
2752ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-12 00:34:06 2063ms 2 NS 1 A 4 MX 🔒 Secure
2026-10-08 18:50:23 3930ms 2 NS 1 A 4 MX 🔒 Secure
2026-10-03 17:33:39 456ms 2 NS 1 A 4 MX 🔒 Secure
2026-09-20 06:11:31 1452ms 2 NS 1 A 4 MX 🔒 Secure
2026-09-13 05:27:14 1223ms 2 NS 1 A 4 MX 🔒 Secure
2026-09-08 05:06:43 1527ms 2 NS 1 A 4 MX 🔒 Secure
2026-08-12 07:27:00 5735ms 2 NS 1 A 4 MX 🔒 Secure
2026-07-17 21:39:44 1401ms 2 NS 1 A 4 MX 🔒 Secure
2026-07-16 11:06:01 3069ms 2 NS 1 A 4 MX 🔒 Secure
2026-07-13 15:17:43 1311ms 2 NS 1 A 4 MX 🔒 Secure
2026-07-07 19:25:36 1288ms 2 NS 1 A 4 MX 🔒 Secure
2026-06-20 07:00:55 982ms 2 NS 1 A 4 MX 🔒 Secure
2026-06-17 04:50:32 shown 2752ms 2 NS 1 A 4 MX 🔒 Secure
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