sentry.dk DNS records

🖥️ Nameservers4 records 39ms

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 Records1 records 89ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
3.64.218.254	—	ec2-3-64-218-254.eu-central-1.compute.amazonaws.com	AS16509	Amazon.com, Inc.	3.64.0.0/12	🇩🇪 Germany	Frankfurt am Main

📧 MX Records2 records 80ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	—	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	—	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 Records1 records 168ms

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

🔗 TLSA / DANE

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

🔐 DNSSEC113ms

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

🏷️ SOA40ms

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

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

39ms

A

89ms

MX

80ms

AAAA

80ms

TXT

168ms

CAA

79ms

HTTPS

70ms

TLSA

132ms

SOA

40ms

MTA-STS

60ms

DNSSEC

113ms

SRV

0ms

Total

965ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-02 19:36:33	3113ms	4 NS 1 A 2 MX	🔓 Insecure	View
2026-09-02 00:14:34	3202ms	4 NS 1 A 2 MX	🔓 Insecure	View
2026-06-26 18:18:18	1083ms	4 NS 1 A 2 MX	🔓 Insecure	View
2026-06-21 21:27:12	924ms	4 NS 1 A 2 MX	🔓 Insecure	View
2026-06-17 12:11:21	965ms	4 NS 1 A 2 MX	🔓 Insecure	View