teorionline.dk

📜 Historical scan 2026-06-20 15:54:49 · ← 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 216.198.79.1 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 107ms

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 119ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
216.198.79.1	1800s	—	AS16509	Amazon.com, Inc.	216.198.79.0/24	🇺🇸 United States	—
216.198.79.65	1800s	—	AS16509	Amazon.com, Inc.	216.198.79.0/24	🇺🇸 United States	—

📧 MX Records#

1 records 90ms

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	216.198.79.65
🔶 Autoconfig	64.29.17.65

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 2361ms

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 104ms

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#

205ms

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

🏷️ SOA#

95ms

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#

107ms

119ms

90ms

AAAA

106ms

TXT

2361ms

CAA

104ms

HTTPS

101ms

TLSA

124ms

SOA

95ms

MTA-STS

139ms

DNSSEC

205ms

SRV

155ms

Total

3000ms

🕐 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	945ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-20 15:54:49 shown	3000ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-18 04:36:42	1176ms	2 NS 2 A 1 MX	🔓 Insecure