theodorstenz.dk

📜 Historical scan 2026-06-17 20:51:29 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

theodorstenz.dk is a .dk domain served by 4 nameservers (dns1.p02.nsone.net, dns2.p02.nsone.net, dns3.p02.nsone.net and 1 more). It was registered on 21 July 2021 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by mx1.improvmx.com, mx2.improvmx.com. The zone is not DNSSEC-signed, has no DMARC policy and is reachable over IPv6. 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 130ms

Nameserver	IP addresses	PTR	ASN / ISP
dns1.p02.nsone.net	198.51.44.2 2620:4d:4000:6259:7:2:0:1	dns1.p02.nsone.net dns1.p02.nsone.net	AS62597 NSONE Inc AS62597 NSONE Inc
dns2.p02.nsone.net	198.51.45.2 2a00:edc0:6259:7:2::2	dns2.p02.nsone.net dns2.p02.nsone.net	AS62597 NSONE Inc AS62597 NSONE Inc
dns3.p02.nsone.net	198.51.44.66 2620:4d:4000:6259:7:2:0:3	dns3.p02.nsone.net dns3.p02.nsone.net	AS62597 NSONE Inc AS62597 NSONE Inc
dns4.p02.nsone.net	198.51.45.66 2a00:edc0:6259:7:2::4	dns4.p02.nsone.net dns4.p02.nsone.net	AS62597 NSONE Inc AS62597 NSONE Inc

🌍 A Records#

2 records 129ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
35.157.26.135	—	ec2-35-157-26-135.eu-central-1.compute.amazonaws.com	AS16509	—	—	—	—
63.176.8.218	—	ec2-63-176-8-218.eu-central-1.compute.amazonaws.com	AS16509	—	—	—	—

📧 MX Records#

2 records 142ms

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)#

2 records 126ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a05:d014:58f:6200::258	—	—	AS16509	—	—	—	—
2a05:d014:58f:6200::259	—	—	AS16509	—	—	—	—

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 263ms

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

✉️ SPF#

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

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 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 2026-10-24 03:53:04

www	35.157.26.135 63.176.8.218 2a05:d014:58f:6200::258 2a05:d014:58f:6200::259 (AS16509) (address records, no CNAME)
www vs bare domain	Same network theodorstenz.dk: 35.157.26.135 63.176.8.218 2a05:d014:58f:6200::258 2a05:d014:58f:6200::259 (AS16509) www.theodorstenz.dk: 35.157.26.135 63.176.8.218 2a05:d014:58f:6200::258 2a05:d014:58f:6200::259 (AS16509)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

206ms

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

🏷️ SOA#

125ms

Field	Value
Serial	1690650301
Primary NS (MNAME)	dns1.p01.nsone.net
Responsible (RNAME)	domains+netlify@netlify.com
Refresh	43200s
Retry	7200s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-08 12:44:42

Field	Value
Registrar	DANDOMAIN A/S
Registered	2021-07-21
Expires	2027-07-31 (276d)

📋 WHOIS#

⏱️ Lookup Timing#

130ms

129ms

142ms

AAAA

126ms

TXT

263ms

CAA

115ms

HTTPS

109ms

TLSA

135ms

SOA

125ms

MTA-STS

128ms

DNSSEC

206ms

SRV

0ms

Total

1079ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-24 03:53:04	2011ms	4 NS 2 A 2 MX	🔓 Insecure
2026-10-21 17:24:59	988ms	4 NS 2 A 2 MX	🔓 Insecure
2026-09-29 18:34:31	862ms	4 NS 2 A 2 MX	🔓 Insecure
2026-09-27 22:48:23	930ms	4 NS 2 A 2 MX	🔓 Insecure
2026-09-08 12:52:09	10145ms	4 NS 2 A 2 MX	🔓 Insecure
2026-06-17 20:51:29 shown	1079ms	4 NS 2 A 2 MX	🔓 Insecure