teorionline.dk

📜 Historical scan 2026-06-29 00:20:37 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

teorionline.dk is a .dk domain served by 2 nameservers (ns1.vercel-dns.com, ns2.vercel-dns.com). It was registered on 21 February 2022 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 64.29.17.1 is hosted by Amazon.com, Inc. (AS16509) in United States. Mail is handled by teorionline.dk.mx.one.com. The zone is not DNSSEC-signed, has no 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 139ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.vercel-dns.com	198.51.44.13 2620:4d:4000:6259:7:13:0:1	dns1.p13.nsone.net dns1.p13.nsone.net	AS62597 NSONE Inc AS62597 NSONE Inc
ns2.vercel-dns.com	198.51.45.13 2a00:edc0:6259:7:13::2	dns2.p13.nsone.net dns2.p13.nsone.net	AS62597 NSONE Inc AS62597 NSONE Inc

🌍 A Records#

2 records 59ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
64.29.17.1	1800s	—	AS16509	Amazon.com, Inc.	64.29.17.0/24	🇺🇸 United States	—
64.29.17.65	1800s	—	AS16509	Amazon.com, Inc.	64.29.17.0/24	🇺🇸 United States	—

📧 MX Records#

1 records 48ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	teorionline.dk.mx.one.com	104.37.34.230 104.37.34.231 104.37.34.232 104.37.34.233	mx1.pub.mailpod11-cph3.one.com mx2.pub.mailpod11-cph3.one.com mx3.pub.mailpod11-cph3.one.com mx4.pub.mailpod11-cph3.one.com	AS51468 One.com A/S AS51468 One.com A/S AS51468 One.com A/S AS51468 One.com A/S

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	216.198.79.1
🔶 Autoconfig	64.29.17.1

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 342ms

TXT Record
google-site-verification=DdZvs4-xnmvmKCwHPnnyTLewNa7XHo32OKLBrcq0-q4

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 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#

3 records 44ms

Flags	Tag	Value
0	issue	letsencrypt.org
0	issue	pki.goog
0	issue	sectigo.com

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-08 18:56:18

www	216.198.79.1 64.29.17.1 (AS16509) (address records, no CNAME)
www vs bare domain	Same network teorionline.dk: 216.198.79.1 216.198.79.65 (AS16509) www.teorionline.dk: 216.198.79.1 64.29.17.1 (AS16509)
Wildcard	Yes: any name under the zone resolves

🔗 TLSA / DANE#

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

🔐 DNSSEC#

103ms

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

🏷️ SOA#

81ms

Field	Value
Serial	1741111953
Primary NS (MNAME)	ns1.vercel-dns.com
Responsible (RNAME)	hostmaster@nsone.net
Refresh	43200s
Retry	7200s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

WHOIS fetched 2026-10-06 06:12:37

Field	Value
Registrar	ONE.COM A/S
Registered	2022-02-21
Expires	2027-02-20 (120d)

📋 WHOIS#

⏱️ Lookup Timing#

139ms

59ms

48ms

AAAA

83ms

TXT

342ms

CAA

44ms

HTTPS

43ms

TLSA

91ms

SOA

81ms

MTA-STS

109ms

DNSSEC

103ms

SRV

423ms

Total

945ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-02 15:26:50	1436ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-29 00:20:37 shown	945ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-20 15:54:49	3000ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-18 04:36:42	1176ms	2 NS 2 A 1 MX	🔓 Insecure