instructure.dk

📜 Historical scan 2026-08-27 00:20:05 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

instructure.dk is a .dk domain served by 4 nameservers (ns-1354.awsdns-41.org, ns-1799.awsdns-32.co.uk, ns-2.awsdns-00.com and 1 more). It was registered on 11 July 2022 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 54.165.95.219 is hosted by Amazon.com, Inc. (AS14618) in United States. 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#

4 records 67ms

Nameserver	IP addresses	PTR	ASN / ISP
ns-1354.awsdns-41.org	205.251.197.74 2600:9000:5305:4a00::1	ns-1354.awsdns-41.org ns-1354.awsdns-41.org	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.
ns-1799.awsdns-32.co.uk	205.251.199.7 2600:9000:5307:700::1	ns-1799.awsdns-32.co.uk ns-1799.awsdns-32.co.uk	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.
ns-2.awsdns-00.com	205.251.192.2 2600:9000:5300:200::1	ns-2.awsdns-00.com ns-2.awsdns-00.com	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.
ns-996.awsdns-60.net	205.251.195.228 2600:9000:5303:e400::1	ns-996.awsdns-60.net ns-996.awsdns-60.net	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.

🌍 A Records#

2 records 128ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
54.165.95.219	3600s	ec2-54-165-95-219.compute-1.amazonaws.com	AS14618	Amazon.com, Inc.	54.160.0.0/13	🇺🇸 United States	Ashburn
54.191.191.127	3600s	ec2-54-191-191-127.us-west-2.compute.amazonaws.com	AS16509	Amazon.com, Inc.	54.176.0.0/12	🇺🇸 United States	Boardman

📧 MX Records#

📧

No MX records found

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

📝

No TXT records found

✉️ 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#

✗ No CAA records — any CA may issue certificates

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-10 00:50:26

www	NXDOMAIN
www vs bare domain	www does not resolve instructure.dk: 54.165.95.219 54.191.191.127 (AS14618 AS16509) www.instructure.dk: no address (all like this)
Wildcard	No

🔗 TLSA / DANE#

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

🔐 DNSSEC#

197ms

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-2.awsdns-00.com
Responsible (RNAME)	awsdns-hostmaster@amazon.com
Refresh	7200s
Retry	900s
Expire	1209600s
Minimum (neg-cache TTL)	86400s

📋 Registration#

WHOIS fetched 2026-10-10 11:36:13

Field	Value
Registrar	Marcaria.com LLC
Registered	2022-07-11
Expires	2027-07-10 (264d)

📋 WHOIS#

⏱️ Lookup Timing#

67ms

128ms

71ms

AAAA

82ms

TXT

346ms

CAA

120ms

HTTPS

84ms

TLSA

198ms

SOA

0ms

MTA-STS

164ms

DNSSEC

197ms

SRV

151ms

Total

3572ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-26 11:55:43	11963ms	4 NS 2 A 0 MX	🔓 Insecure
2026-08-27 00:20:05 shown	3572ms	4 NS 2 A 0 MX	🔓 Insecure
2026-06-20 11:36:28	2442ms	4 NS 2 A 0 MX	🔓 Insecure
2026-06-17 15:19:01	268ms	0 NS 0 A 0 MX	❓ Unknown