sentry.dk

📜 Historical scan 2026-09-02 00:14:34 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

sentry.dk is a .dk domain served by 4 nameservers (ns-1484.awsdns-57.org, ns-1645.awsdns-13.co.uk, ns-500.awsdns-62.com and 1 more). It was registered on 6 December 2018 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 93.161.0.72 is hosted by TDC Holding A/S (AS3292) in Denmark. Mail is handled by mx1.improvmx.com, mx2.improvmx.com. The zone is not DNSSEC-signed, 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#

4 records 52ms

Nameserver	IP addresses	PTR	ASN / ISP
ns-1484.awsdns-57.org	205.251.197.204 2600:9000:5305:cc00::1	ns-1484.awsdns-57.org ns-1484.awsdns-57.org	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.
ns-1645.awsdns-13.co.uk	205.251.198.109 2600:9000:5306:6d00::1	ns-1645.awsdns-13.co.uk ns-1645.awsdns-13.co.uk	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.
ns-500.awsdns-62.com	205.251.193.244 2600:9000:5301:f400::1	ns-500.awsdns-62.com ns-500.awsdns-62.com	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.
ns-724.awsdns-26.net	205.251.194.212 2600:9000:5302:d400::1	ns-724.awsdns-26.net ns-724.awsdns-26.net	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.

🌍 A Records#

1 records 62ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
93.161.0.72	300s	93-161-0-72-static.dk.customer.tdc.net	AS3292	TDC Holding A/S	93.160.0.0/14	🇩🇰 Denmark	Hvidovre

📧 MX Records#

2 records 66ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mx1.improvmx.com	13.37.195.136 15.236.236.160 2a05:d012:412:e201:88aa:e7b9:7a43:12d7 2a05:d012:412:e202:f36:2c1f:1a49:d38a 2a05:d012:412:e203:373a:f51a:4a85:1d25 35.181.18.45	ec2-13-37-195-136.eu-west-3.compute.amazonaws.com ec2-15-236-236-160.eu-west-3.compute.amazonaws.com — — — ec2-35-181-18-45.eu-west-3.compute.amazonaws.com	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.
20	300s	mx2.improvmx.com	13.36.107.63 13.36.222.39 15.236.61.92 2a05:d012:412:e201:1f6e:f6e4:8fd7:4678 2a05:d012:412:e202:e81e:cc44:3b53:8a3d 2a05:d012:412:e203:7e33:3d9c:28d7:ee20	ec2-13-36-107-63.eu-west-3.compute.amazonaws.com ec2-13-36-222-39.eu-west-3.compute.amazonaws.com ec2-15-236-61-92.eu-west-3.compute.amazonaws.com — — —	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. 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#

1 records 224ms

TXT Record
v=spf1 include:spf.improvmx.com include:amazonses.com ~all

✉️ SPF#

Policy	Record (sentry.dk)
~all (soft fail)	v=spf1 include:spf.improvmx.com include:amazonses.com ~all

📨 DMARC#

Policy	Record (_dmarc.sentry.dk)
p=none (monitor only)	v=DMARC1; p=none; pct=100; rua=mailto:re+va54wguhve9@dmarc.postmarkapp.com; sp=none; aspf=r;

📬 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 2026-10-07 19:13:37

www CNAME	sentry.dk (all on sentry.dk) → 93.161.0.72 (AS3292)
www vs bare domain	Same network sentry.dk: 93.161.0.72 (AS3292) www.sentry.dk: 93.161.0.72 (AS3292)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

106ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA#

0ms

Field	Value
Serial	1
Primary NS (MNAME)	ns-1645.awsdns-13.co.uk
Responsible (RNAME)	awsdns-hostmaster@amazon.com
Refresh	7200s
Retry	900s
Expire	1209600s
Minimum (neg-cache TTL)	86400s

📋 Registration#

WHOIS fetched 2026-10-12 10:45:45

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2018-12-06
Expires	2026-12-31 (74d)

🔗 Same registrant#

2 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

Domain	Registrar
ephort.dk	Simply.com A/S
logvaerk.dk	Simply.com A/S

📋 WHOIS#

⏱️ Lookup Timing#

52ms

62ms

66ms

AAAA

54ms

TXT

224ms

CAA

65ms

HTTPS

62ms

TLSA

64ms

SOA

0ms

MTA-STS

80ms

DNSSEC

106ms

SRV

78ms

Total

3202ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-07 19:13:37	758ms	4 NS 1 A 2 MX	🔓 Insecure
2026-10-01 03:56:49	3291ms	4 NS 1 A 2 MX	🔓 Insecure
2026-09-02 19:36:33	3113ms	4 NS 1 A 2 MX	🔓 Insecure
2026-09-02 00:14:34 shown	3202ms	4 NS 1 A 2 MX	🔓 Insecure
2026-06-26 18:18:18	1083ms	4 NS 1 A 2 MX	🔓 Insecure
2026-06-21 21:27:12	924ms	4 NS 1 A 2 MX	🔓 Insecure
2026-06-17 12:11:21	965ms	4 NS 1 A 2 MX	🔓 Insecure