sentinel-support.dk

📜 Historical scan 2026-08-16 05:23:19  ·  ← 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   208ms
NameserverIP addressesPTRASN / ISP
braden.ns.cloudflare.com 108.162.195.169
162.159.44.169
172.64.35.169
2606:4700:58::a29f:2ca9
2803:f800:50::6ca2:c3a9
2a06:98c1:50::ac40:23a9		 braden.ns.cloudflare.com
braden.ns.cloudflare.com
braden.ns.cloudflare.com
braden.ns.cloudflare.com
braden.ns.cloudflare.com
braden.ns.cloudflare.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
sarah.ns.cloudflare.com 108.162.194.218
162.159.38.218
172.64.34.218
2606:4700:50::a29f:26da
2803:f800:50::6ca2:c2da
2a06:98c1:50::ac40:22da		 sarah.ns.cloudflare.com
sarah.ns.cloudflare.com
sarah.ns.cloudflare.com
sarah.ns.cloudflare.com
sarah.ns.cloudflare.com
sarah.ns.cloudflare.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.

🌍 A Records#

1 records   251ms
IPTTLPTRASNISP / OrgCIDRCountryCity
185.193.123.52 300s — AS42903 Itm8 A/S 185.193.120.0/22 🇩🇰 Denmark Copenhagen

📧 MX Records#

1 records   227ms
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   545ms
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#

488ms
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   253ms
FlagsTagValue
0 issue comodoca.com
0 issue digicert.com; cansignhttpexchanges=yes
0 issue globalsign.com
0 issue letsencrypt.org
0 issue pki.goog; cansignhttpexchanges=yes
0 issue ssl.com
0 issuewild comodoca.com
0 issuewild digicert.com; cansignhttpexchanges=yes
0 issuewild globalsign.com
0 issuewild letsencrypt.org
0 issuewild pki.goog; cansignhttpexchanges=yes
0 issuewild ssl.com

🧩 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   168ms
Service / OwnerTypeCert association
SMTP _25._tcp.mail.sentinel-support.dk DANE-EE · SPKI · SHA-256 1F0EB1535BC4F676E4821A7C2BBDD9A9…

🔐 DNSSEC#

365ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

0ms
FieldValue
Serial2412095338
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 (71d)
📋 WHOIS#

⏱️ Lookup Timing#

NS
208ms
A
251ms
MX
227ms
AAAA
216ms
TXT
545ms
CAA
253ms
HTTPS
222ms
TLSA
168ms
SOA
0ms
MTA-STS
488ms
DNSSEC
365ms
SRV
284ms
Total
3966ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-11 17:04:28 2164ms 2 NS 1 A 1 MX 🔒 Secure
2026-10-10 16:23:49 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 shown 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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