sentinel-support.dk

Records from scan: 2026-10-11 17:04:28  ·  2164ms total  ·  last checked 2026-10-20 00:54 (unchanged)
⬇ 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 our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records   126ms
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   118ms
IPTTLPTRASNISP / OrgCIDRCountryCity
185.193.123.52 300s — AS42903 Itm8 A/S 185.193.120.0/22 🇩🇰 Denmark Copenhagen

📧 MX Records#

1 records   106ms
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   253ms
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#

176ms
CheckResult
Status⚠️ Invalid
TXT record (_mta-sts)✓ Found
HTTPS policy✗ Missing / invalid
Policy ID20250331T120000
Policy MX—

📈 TLSRPT#

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records#

12 records   115ms
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#

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   461ms
Service / OwnerTypeCert association
SMTP _25._tcp.mail.sentinel-support.dk DANE-EE · SPKI · SHA-256 1F0EB1535BC4F676E4821A7C2BBDD9A9…

🔐 DNSSEC#

171ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

85ms
FieldValue
Serial2417202306
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
126ms
A
118ms
MX
106ms
AAAA
122ms
TXT
253ms
CAA
115ms
HTTPS
127ms
TLSA
461ms
SOA
85ms
MTA-STS
176ms
DNSSEC
171ms
SRV
140ms
Total
2164ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-11 17:04:28 shown 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 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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