100opgaver.dk

Records from scan: 2026-10-09 10:34:39 · 864ms total · last checked 2026-10-17 00:01 (unchanged)

⬇ 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 not DNSSEC-signed, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

3 records 36ms

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 41ms

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 34ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	600s	smtp.google.com	108.177.14.26 108.177.14.27 173.194.73.26 209.85.233.26 209.85.233.27 2a00:1450:4010:c03::1b 2a00:1450:4010:c03::1b 2a00:1450:4010:c0e::1b 2a00:1450:4010:c0e::1b 2a00:1450:4010:c0f::1a 2a00:1450:4010:c0f::1a 2a00:1450:4010:c0f::1b 2a00:1450:4010:c0f::1b	lt-in-f26.1e100.net lt-in-f27.1e100.net lq-in-f26.1e100.net lr-in-f26.1e100.net lr-in-f27.1e100.net lr-in-f27.1e100.net lr-in-x1b.1e100.net lu-in-f27.1e100.net lu-in-x1b.1e100.net lt-in-f26.1e100.net lt-in-x1a.1e100.net lt-in-x1b.1e100.net lt-in-f27.1e100.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 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 58ms

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

📝 TXT Records#

1 records 120ms

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#

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#

124ms

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

🏷️ SOA#

68ms

Field	Value
Serial	2026100200
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 (42d)

📋 WHOIS#

⏱️ Lookup Timing#

36ms

41ms

34ms

AAAA

33ms

TXT

120ms

CAA

31ms

HTTPS

29ms

TLSA

104ms

SOA

68ms

MTA-STS

69ms

DNSSEC

124ms

SRV

58ms

Total

864ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-09 10:34:39 shown	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	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