sentinel-support.dk

📜 Historical scan 2026-10-10 16:23:49  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

sentinel-support.dk is a .dk domain served by 2 nameservers (braden.ns.cloudflare.com, sarah.ns.cloudflare.com). It was registered on 27 December 2019 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.193.123.52 is hosted by Itm8 A/S (AS42903) in Denmark. Mail is handled by mail.sentinel-support.dk. 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   44ms

🌍 A Records#

1 records   39ms
IPTTLPTRASNISP / OrgCIDRCountryCity
185.193.123.52 300s — AS42903 Itm8 A/S 185.193.120.0/22 🇩🇰 Denmark Copenhagen

📧 MX Records#

1 records   40ms
PriorityTTLMail ServerIP addressesPTRASN
10 300s mail.sentinel-support.dk 185.193.123.50 — AS42903 Itm8 A/S

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records   151ms
TXT Record
_globalsign-domain-verification=seBAD0Y0igbvhfiNcZeshmTOhF_LPEbwWfHD5AVrSh
v=spf1 ip4:152.115.180.58 ip4:185.193.123.48/28 mx -all

✉️ SPF#

PolicyRecord (sentinel-support.dk)
-all (hard fail) v=spf1 ip4:152.115.180.58 ip4:185.193.123.48/28 mx -all

📨 DMARC#

PolicyRecord (_dmarc.sentinel-support.dk)
p=quarantine v=DMARC1; p=quarantine; pct=100;

📬 MTA-STS#

131ms
CheckResult
Status🔒 Enforce
TXT record (_mta-sts)✓ Found
HTTPS policy✓ Valid
Modeenforce
Policy ID20250331T120000
max_age604800s
Policy MXmail.sentinel-support.dk

📈 TLSRPT#

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records#

12 records   45ms

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-11 17:04:28
www185.193.123.52 (AS42903) (address records, no CNAME)
www vs bare domainSame network
sentinel-support.dk: 185.193.123.52 (AS42903)
www.sentinel-support.dk: 185.193.123.52 (AS42903)
WildcardNo
Denial of existenceCompact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEYPublished: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

✍️ DKIM keys#

1 found
SelectorCNAMEKey
mail — 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#

1 records   290ms
Service / OwnerTypeCert association
SMTP _25._tcp.mail.sentinel-support.dk DANE-EE · SPKI · SHA-256 1F0EB1535BC4F676E4821A7C2BBDD9A9…

🔐 DNSSEC#

112ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

43ms
FieldValue
Serial2417114579
Primary NS (MNAME)braden.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-10 16:36:21
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2019-12-27
Expires2026-12-31 (70d)
📋 WHOIS#

⏱️ Lookup Timing#

NS
44ms
A
39ms
MX
40ms
AAAA
42ms
TXT
151ms
CAA
45ms
HTTPS
35ms
TLSA
290ms
SOA
43ms
MTA-STS
131ms
DNSSEC
112ms
SRV
62ms
Total
1263ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-11 17:04:28 2164ms 2 NS 1 A 1 MX 🔒 Secure
2026-10-10 16:23:49 shown 1263ms 2 NS 1 A 1 MX 🔒 Secure
2026-10-09 11:51:44 1994ms 2 NS 1 A 1 MX 🔒 Secure
2026-09-29 04:44:08 2596ms 2 NS 1 A 1 MX 🔒 Secure
2026-09-24 02:25:41 13480ms 2 NS 1 A 1 MX 🔒 Secure
2026-09-23 05:12:44 1931ms 2 NS 1 A 1 MX 🔒 Secure
2026-08-23 22:05:53 1221ms 2 NS 1 A 1 MX 🔒 Secure
2026-08-16 05:23:19 3966ms 2 NS 1 A 1 MX 🔒 Secure
2026-08-02 23:22:58 9008ms 2 NS 1 A 1 MX 🔒 Secure
2026-07-06 22:22:42 1414ms 2 NS 1 A 1 MX 🔒 Secure
2026-06-26 11:51:01 1026ms 2 NS 1 A 1 MX 🔒 Secure
2026-06-25 15:38:50 2090ms 2 NS 1 A 1 MX 🔒 Secure
2026-06-18 07:37:37 1106ms 2 NS 1 A 1 MX 🔒 Secure
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