nerdies.dk

📜 Historical scan 2026-09-30 21:52:35 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

nerdies.dk is a .dk domain served by 2 nameservers (kia.ns.cloudflare.com, pete.ns.cloudflare.com). It was registered on 25 July 2019 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.96.74 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 3 more. The zone is not DNSSEC-signed, has no DMARC policy and is reachable over IPv6. 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 37ms

Nameserver	IP addresses	PTR	ASN / ISP
kia.ns.cloudflare.com	108.162.192.179 172.64.32.179 173.245.58.179 2606:4700:50::adf5:3ab3 2803:f800:50::6ca2:c0b3 2a06:98c1:50::ac40:20b3	kia.ns.cloudflare.com kia.ns.cloudflare.com kia.ns.cloudflare.com kia.ns.cloudflare.com kia.ns.cloudflare.com kia.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
pete.ns.cloudflare.com	108.162.193.136 172.64.33.136 173.245.59.136 2606:4700:58::adf5:3b88 2803:f800:50::6ca2:c188 2a06:98c1:50::ac40:2188	pete.ns.cloudflare.com pete.ns.cloudflare.com pete.ns.cloudflare.com pete.ns.cloudflare.com pete.ns.cloudflare.com pete.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

2 records 41ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.96.74	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.174.70	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

5 records 43ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	300s	aspmx.l.google.com	2a00:1450:4010:c05::1b 2a00:1450:4010:c05::1b 64.233.164.27	li-in-x1b.1e100.net li-in-f27.1e100.net lf-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
5	300s	alt1.aspmx.l.google.com	192.178.158.27 2404:6800:4013:813::1a	lcdels-in-f27.1e100.net lcdels-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	300s	alt2.aspmx.l.google.com	173.194.41.26 173.194.41.26 2404:6800:4001:c01::1a	yukulwh-in-f26.1e100.net mad01s14-in-f26.1e100.net yukulwh-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
10	300s	aspmx2.googlemail.com	192.178.158.27 2404:6800:4013:813::1b	lcdels-in-f27.1e100.net lcdels-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	300s	aspmx3.googlemail.com	173.194.41.27 173.194.41.27 2404:6800:4001:c01::1a	yukulwh-in-f27.1e100.net mad01s14-in-f27.1e100.net yukulwh-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔶 Autoconfig	mail.your-server.de → 78.46.5.205

🔷 AAAA Records (IPv6)#

2 records 30ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::6815:604a	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3031::ac43:ae46	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 44ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.96.74,172.67.174.70 ech=AEX+DQBBNAAgACDDE7vvsEGiLkfEtCjzs2dGyJs627jcF/KPm3RoWE9SLAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:604a,2606:4700:3031::ac43:ae46

🔌 SRV Records#

1 records 64ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	0	100	443	mail.your-server.de

📝 TXT Records#

1 records 193ms

TXT Record
v=spf1 +a +mx ?all

✉️ SPF#

Policy	Record (nerdies.dk)
?all (neutral)	v=spf1 +a +mx ?all

📨 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 2026-10-15 17:49:12

www	104.21.96.74 172.67.174.70 2606:4700:3031::6815:604a 2606:4700:3031::ac43:ae46 (AS13335) (address records, no CNAME)
www vs bare domain	Same network nerdies.dk: 104.21.96.74 172.67.174.70 2606:4700:3031::6815:604a 2606:4700:3031::ac43:ae46 (AS13335) www.nerdies.dk: 104.21.96.74 172.67.174.70 2606:4700:3031::6815:604a 2606:4700:3031::ac43:ae46 (AS13335)
Wildcard	No

✍️ DKIM keys#

1 found

Selector	CNAME	Key
google	—	RSA · ~2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: ?all

warn "?all" is neutral: it gives receivers no guidance, much like having no SPF

🔗 TLSA / DANE#

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

🔐 DNSSEC#

78ms

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

🏷️ SOA#

59ms

Field	Value
Serial	2412416696
Primary NS (MNAME)	kia.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-10 09:31:29

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2019-07-25
Expires	2029-07-31 (1016d)

📋 WHOIS#

⏱️ Lookup Timing#

37ms

41ms

43ms

AAAA

30ms

TXT

193ms

CAA

40ms

HTTPS

44ms

TLSA

86ms

SOA

59ms

MTA-STS

60ms

DNSSEC

78ms

SRV

64ms

Total

671ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-15 17:49:12	921ms	2 NS 2 A 5 MX	🔓 Insecure
2026-10-10 09:10:58	2803ms	2 NS 2 A 5 MX	🔓 Insecure
2026-09-30 21:52:35 shown	671ms	2 NS 2 A 5 MX	🔓 Insecure
2026-08-27 08:04:38	887ms	2 NS 2 A 5 MX	🔓 Insecure
2026-08-17 17:31:00	1682ms	2 NS 2 A 5 MX	🔓 Insecure
2026-08-11 21:47:42	4654ms	2 NS 2 A 5 MX	🔓 Insecure
2026-07-02 22:02:36	1454ms	2 NS 2 A 5 MX	🔓 Insecure
2026-06-25 03:43:45	1193ms	2 NS 2 A 5 MX	🔓 Insecure
2026-06-22 02:59:11	1177ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-18 06:25:37	2987ms	2 NS 2 A 5 MX	🔓 Insecure