tekstguru.dk

📜 Historical scan 2026-06-20 11:41:52 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

tekstguru.dk is a .dk domain served by 2 nameservers (carla.ns.cloudflare.com, jeremy.ns.cloudflare.com). It was registered on 15 July 2022 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 216.24.57.1 is hosted by Render (AS397273) in United States. 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 this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 293ms

Nameserver	IP addresses	PTR	ASN / ISP
carla.ns.cloudflare.com	108.162.194.86 162.159.38.86 172.64.34.86 2606:4700:50::a29f:2656 2803:f800:50::6ca2:c256 2a06:98c1:50::ac40:2256	carla.ns.cloudflare.com carla.ns.cloudflare.com carla.ns.cloudflare.com carla.ns.cloudflare.com carla.ns.cloudflare.com carla.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
jeremy.ns.cloudflare.com	108.162.193.180 172.64.33.180 173.245.59.180 2606:4700:58::adf5:3bb4 2803:f800:50::6ca2:c1b4 2a06:98c1:50::ac40:21b4	jeremy.ns.cloudflare.com jeremy.ns.cloudflare.com jeremy.ns.cloudflare.com jeremy.ns.cloudflare.com jeremy.ns.cloudflare.com jeremy.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

1 records 282ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
216.24.57.1	300s	—	AS397273	Render	216.24.57.0/24	🇺🇸 United States	—

📧 MX Records#

1 records 281ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	300s	smtp.google.com	108.177.14.26 108.177.14.27 172.253.130.26 2a00:1450:4010:c03::1a 2a00:1450:4010:c03::1a 2a00:1450:4010:c03::1b 2a00:1450:4010:c03::1b 2a00:1450:4010:c0d::1a 2a00:1450:4010:c0d::1a 2a00:1450:4010:c0f::1b 2a00:1450:4010:c0f::1b 74.125.131.26 74.125.131.27	lt-in-f26.1e100.net lt-in-f27.1e100.net yulppbn-in-f26.1e100.net lr-in-x1a.1e100.net lr-in-f26.1e100.net lr-in-f27.1e100.net lr-in-x1b.1e100.net lq-in-f26.1e100.net lq-in-x1a.1e100.net lt-in-f27.1e100.net lt-in-x1b.1e100.net lu-in-f26.1e100.net lu-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

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

4 records 585ms

TXT Record
google-site-verification=b-FqELlzlzilCQyxztVmCrmqncRAyTIDH3dRO2tG9vA
google-site-verification=MaxLwYPIq-gxny3oHNAJWB7DKLVxgXuIQp2ZohEeX_8
google-site-verification=XQRS6CRAMfWVbo48fqBF58FRAVJRUYSxmV-0uF6LZBU
v=spf1 a mx include:spf.forwardemail.net include:_spf.google.com -all

✉️ SPF#

Policy	Record (tekstguru.dk)
-all (hard fail)	v=spf1 a mx include:spf.forwardemail.net include:_spf.google.com -all

📨 DMARC#

Policy	Record (_dmarc.tekstguru.dk)
p=reject	v=DMARC1; p=reject; pct=100; rua=mailto:dmarc-62dac4b55ce7a237cab914d5@forwardemail.net;

📬 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 2026-10-13 15:24:29

www CNAME	textguru-ai-py64.onrender.com (all on onrender.com) → 216.24.57.16 216.24.57.18 (AS397273)
www vs bare domain	Same network tekstguru.dk: 216.24.57.1 (AS397273) www.tekstguru.dk: 216.24.57.16 216.24.57.18 (AS397273)
Wildcard	No

✍️ DKIM keys#

2 found

Selector	CNAME	Key
s1	s1.domainkey.u25221619.wl120.sendgrid.net	RSA · ~2048 bit
s2	s2.domainkey.u25221619.wl120.sendgrid.net	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: 8/10 · policy: -all

warn 8 of the 10 allowed DNS lookups used: one more include can break SPF

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.tekstguru.dk	EHbMN1geZqptseh8BbHtvVeLQ7QDg9bTXam_jPeOrmc
TXT	_acme-challenge.tekstguru.dk	HCh0HQOyAIDeRc2gUosy5vsZcXMwv6ljqHlId4I8kxY

🔗 TLSA / DANE#

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

🔐 DNSSEC#

396ms

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

🏷️ SOA#

162ms

Field	Value
Serial	2407222429
Primary NS (MNAME)	carla.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-13 15:53:23

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2022-07-15
Expires	2029-07-14 (999d)

🔗 Same registrant#

4 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

Domain	Registrar
monsson.dk	Punktum dk A/S (direct)
rentacobot.dk	Punktum dk A/S (direct)
retmintekst.dk	Punktum dk A/S (direct)
textguru.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

293ms

282ms

281ms

AAAA

244ms

TXT

585ms

CAA

274ms

HTTPS

310ms

TLSA

4115ms

SOA

162ms

MTA-STS

352ms

DNSSEC

396ms

SRV

428ms

Total

7309ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-13 15:24:29	2429ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-25 08:04:12	674ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-24 07:51:28	558ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-24 01:10:20	726ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-03 13:51:19	1254ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-31 07:00:46	1559ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-22 15:08:22	1520ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-21 14:40:08	1608ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-19 13:08:10	1577ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-15 09:14:12	2387ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-27 09:45:28	4136ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-26 12:00:20	5714ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-24 16:05:23	4877ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-21 22:55:22	2329ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-21 13:57:03	947ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-20 11:41:52 shown	7309ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-17 15:01:52	3960ms	2 NS 1 A 1 MX	🔓 Insecure