100opgaver.dk

📜 Historical scan 2026-06-20 14:38:42 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

100opgaver.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 29 November 2024 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 23.227.38.65 is hosted by Cloudflare, Inc. (AS13335) in Canada. Mail is handled by smtp.google.com. The zone is DNSSEC-signed but currently fails validation, publishes a 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#

3 records 45ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.simply.com	2a02:2339:1:15c::4562:4562 91.197.248.78	ns1.simply.com ns1.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.simply.com	185.25.141.15 2a02:2339:4006:101::4562:4562	ns2.simply.com ns2.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns3.simply.com	91.197.248.79	ns3.simply.com	AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 55ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
23.227.38.65	3600s	myshopify.com	AS13335	Cloudflare, Inc.	23.227.38.0/23	🇨🇦 Canada	Ottawa

📧 MX Records#

1 records 27ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	600s	smtp.google.com	142.251.127.26 142.251.127.27 2a00:1450:4010:c07::1b 2a00:1450:4010:c07::1b 2a00:1450:4010:c09::1a 2a00:1450:4010:c09::1a 2a00:1450:4010:c09::1b 2a00:1450:4010:c09::1b 2a00:1450:4010:c0b::1a 2a00:1450:4010:c0b::1a	lcfrai-in-f26.1e100.net lcfrai-in-f27.1e100.net lf-in-x1b.1e100.net lf-in-f27.1e100.net lk-in-f26.1e100.net lk-in-x1a.1e100.net lk-in-x1b.1e100.net lk-in-f27.1e100.net lo-in-x1a.1e100.net lo-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	185.20.205.47
🔶 Autoconfig	maildiscover.simply.com → 94.231.108.222

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 102ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	10	10	443	maildiscover.simply.com

📝 TXT Records#

1 records 185ms

TXT Record
google-site-verification=2YKpKVd2EooLrkvH3KeXqKSU3rwCp_785DtK2Dw5ii4

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 DMARC#

Policy	Record (_dmarc.100opgaver.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:dmarc@robot.simply.com; ruf=mailto:dmarc@robot.simply.com;

📬 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 2026-10-09 10:34:39

www CNAME	shops.myshopify.com (all on myshopify.com) → 23.227.38.74 2620:127:f00f:e:: (AS13335)
www vs bare domain	Same network 100opgaver.dk: 23.227.38.65 (AS13335) www.100opgaver.dk: 23.227.38.74 2620:127:f00f:e:: (AS13335)
Wildcard	Yes: any name under the zone resolves

🔗 TLSA / DANE#

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

🔐 DNSSEC#

97ms

Check	Result
Validation Status	⚠️ Bogus
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	broken trust chain resolving '100opgaver.dk/A/IN': 127.0.0.1#53

🏷️ SOA#

39ms

Field	Value
Serial	2025090101
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-03 07:25:21

Field	Value
Registrar	Simply.com A/S
Registered	2024-11-29
Expires	2026-11-28 (39d)

📋 WHOIS#

⏱️ Lookup Timing#

45ms

55ms

27ms

AAAA

39ms

TXT

185ms

CAA

78ms

HTTPS

32ms

TLSA

104ms

SOA

39ms

MTA-STS

34ms

DNSSEC

97ms

SRV

102ms

Total

547ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-09 10:34:39	864ms	3 NS 1 A 1 MX	🔓 Insecure
2026-10-03 07:11:20	894ms	3 NS 1 A 1 MX	🔓 Insecure
2026-09-28 06:19:37	2497ms	3 NS 1 A 1 MX	🔓 Insecure
2026-07-02 17:59:52	1005ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-27 17:46:23	1384ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-24 03:40:09	724ms	3 NS 1 A 1 MX	❓ Unknown
2026-06-22 14:59:18	1172ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-20 14:38:42 shown	547ms	3 NS 1 A 1 MX	⚠️ Bogus
2026-06-19 08:50:57	7348ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-16 12:33:37	1345ms	3 NS 1 A 1 MX	🔓 Insecure