gotutor.dk

📜 Historical scan 2026-08-14 14:33:20 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

gotutor.dk is a .dk domain served by 2 nameservers (kim.ns.cloudflare.com, max.ns.cloudflare.com). It was registered on 21 February 2019 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 172.66.40.234 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 DNSSEC-signed and validates, publishes a 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 187ms

Nameserver	IP addresses	PTR	ASN / ISP
kim.ns.cloudflare.com	108.162.192.126 172.64.32.126 173.245.58.126 2606:4700:50::adf5:3a7e 2803:f800:50::6ca2:c07e 2a06:98c1:50::ac40:207e	kim.ns.cloudflare.com kim.ns.cloudflare.com kim.ns.cloudflare.com kim.ns.cloudflare.com kim.ns.cloudflare.com kim.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
max.ns.cloudflare.com	108.162.193.132 172.64.33.132 173.245.59.132 2606:4700:58::adf5:3b84 2803:f800:50::6ca2:c184 2a06:98c1:50::ac40:2184	max.ns.cloudflare.com max.ns.cloudflare.com max.ns.cloudflare.com max.ns.cloudflare.com max.ns.cloudflare.com max.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 206ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
172.66.40.234	300s	—	AS13335	Cloudflare, Inc.	172.66.40.0/21	—	—
172.66.43.22	300s	—	AS13335	Cloudflare, Inc.	172.66.40.0/21	—	—

📧 MX Records#

5 records 166ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	300s	aspmx.l.google.com	2a00:1450:4001:c21::1b 64.233.167.26	lcfrai-in-f27.1e100.net wl-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	300s	alt1.aspmx.l.google.com	142.250.147.26 2a00:1450:4013:c1e::1a	rd-in-f26.1e100.net yugrqzs-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	300s	alt2.aspmx.l.google.com	172.253.152.26 2a00:1450:4001:c21::1b	yulpptr-in-f26.1e100.net lcfrai-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	300s	aspmx2.googlemail.com	192.178.213.27 2a00:1450:4013:c1e::1a	yugrqzs-in-f27.1e100.net yugrqzs-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	300s	aspmx3.googlemail.com	172.253.152.26 2a00:1450:4010:c22::1b	yulpptr-in-f26.1e100.net yulpptr-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC

🔷 AAAA Records (IPv6)#

2 records 185ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3108::ac42:28ea	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3108:0:0:0:0:0/48	—	—
2606:4700:3108::ac42:2b16	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3108:0:0:0:0:0/48	—	—

🔐 HTTPS Records#

1 records 262ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=172.66.40.234,172.66.43.22 ipv6hint=2606:4700:3108::ac42:28ea,2606:4700:3108::ac42:2b16

📝 TXT Records#

4 records 563ms

TXT Record
_a9f7vonfqdofo4392dz1ct9j6cefmtr
facebook-domain-verification=7k6gaz4thezyklj2ic7u01hjgivbjb
google-site-verification=EXcH6eCtCuHAa7SSNb4qqhhWn-OpJD2ZWs_FyqJ-Psc
v=spf1 include:_spf.google.com include:servers.mcsv.net include:eu.mailgun.org include:_spf.crisp.email ~all

✉️ SPF#

Policy	Record (gotutor.dk)
~all (soft fail)	v=spf1 include:_spf.google.com include:servers.mcsv.net include:eu.mailgun.org include:_spf.crisp.email ~all

📨 DMARC#

Policy	Record (_dmarc.gotutor.dk)
p=quarantine	v=DMARC1; p=quarantine; rua=mailto:927749a7f3a04dbb921175127e732eba@dmarc-reports.cloudflare.net

📬 MTA-STS#

494ms

Check	Result
Status	🔒 Enforce
TXT record (_mta-sts)	✓ Found
HTTPS policy	✓ Valid
Mode	enforce
Policy ID	20260615
max_age	1209600s
Policy MX	aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, aspmx2.googlemail.com, aspmx3.googlemail.com

📈 TLSRPT#

Status	Report address (rua)
✓ Enabled	mailto:927749a7f3a04dbb921175127e732eba@dmarc-reports.cloudflare.net

📜 CAA Records#

10 records 203ms

Flags	Tag	Value
0	issue	comodoca.com
0	issue	digicert.com; cansignhttpexchanges=yes
0	issue	letsencrypt.org
0	issue	pki.goog; cansignhttpexchanges=yes
0	issue	ssl.com
0	issuewild	comodoca.com
0	issuewild	digicert.com; cansignhttpexchanges=yes
0	issuewild	letsencrypt.org
0	issuewild	pki.goog; cansignhttpexchanges=yes
0	issuewild	ssl.com

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-17 03:24:32

www	172.66.40.234 172.66.43.22 2606:4700:3108::ac42:28ea 2606:4700:3108::ac42:2b16 (AS13335) (address records, no CNAME)
www vs bare domain	Same network gotutor.dk: 172.66.40.234 172.66.43.22 2606:4700:3108::ac42:28ea 2606:4700:3108::ac42:2b16 (AS13335) www.gotutor.dk: 172.66.40.234 172.66.43.22 2606:4700:3108::ac42:28ea 2606:4700:3108::ac42:2b16 (AS13335)
Wildcard	No
Denial of existence	Compact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY
BIMI	v=BIMI1; l=https://gotutor.fra1.digitaloceanspaces.com/gt_bimi.svg; avp=brand;

✍️ 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: 6/10 · policy: ~all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.gotutor.dk	BczMcZj6wie2C6yEJRmoL7RdWjat21Vg2nO-PLwvZrg
TXT	_acme-challenge.gotutor.dk	RLNn9o6g6yBIcg7XHy1Axuf6l_RoIw87z1vHunj239U

🔗 TLSA / DANE#

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

🔐 DNSSEC#

400ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

0ms

Field	Value
Serial	2412123839
Primary NS (MNAME)	kim.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-12 05:48:31

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2019-02-21
Expires	2032-02-29 (1959d)

🔗 Same registrant#

2 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
gokarakter.dk	Punktum dk A/S (direct)
nakgym.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

187ms

206ms

166ms

AAAA

185ms

TXT

563ms

CAA

203ms

HTTPS

262ms

TLSA

543ms

SOA

0ms

MTA-STS

494ms

DNSSEC

400ms

SRV

264ms

Total

8050ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-17 03:24:32	1881ms	2 NS 2 A 5 MX	🔒 Secure
2026-10-13 22:40:46	1100ms	2 NS 2 A 5 MX	🔒 Secure
2026-10-11 18:21:48	750ms	2 NS 2 A 5 MX	🔒 Secure
2026-10-10 17:16:50	703ms	2 NS 2 A 5 MX	🔒 Secure
2026-10-07 07:44:21	2804ms	2 NS 2 A 5 MX	🔒 Secure
2026-10-03 06:51:01	786ms	2 NS 2 A 5 MX	🔒 Secure
2026-09-26 13:02:21	2117ms	2 NS 2 A 5 MX	🔒 Secure
2026-09-17 19:08:41	2580ms	2 NS 2 A 5 MX	🔒 Secure
2026-09-09 08:41:49	2260ms	2 NS 2 A 5 MX	🔒 Secure
2026-08-27 00:14:30	1054ms	2 NS 2 A 5 MX	🔒 Secure
2026-08-26 02:53:19	1058ms	2 NS 2 A 5 MX	🔒 Secure
2026-08-16 16:58:29	1789ms	2 NS 2 A 5 MX	🔒 Secure
2026-08-15 16:42:08	3800ms	2 NS 2 A 5 MX	🔒 Secure
2026-08-14 14:33:20 shown	8050ms	2 NS 2 A 5 MX	🔒 Secure
2026-08-11 15:59:44	2222ms	2 NS 2 A 5 MX	🔒 Secure
2026-08-09 05:41:27	2123ms	2 NS 2 A 5 MX	🔒 Secure
2026-08-08 01:14:19	9602ms	2 NS 2 A 5 MX	🔒 Secure
2026-07-31 19:32:28	9547ms	2 NS 2 A 5 MX	🔒 Secure
2026-07-20 08:43:38	1379ms	2 NS 2 A 5 MX	🔒 Secure
2026-07-17 21:25:23	5405ms	2 NS 2 A 5 MX	🔒 Secure
2026-07-15 22:22:01	2531ms	2 NS 2 A 5 MX	🔒 Secure
2026-07-03 19:47:40	1310ms	2 NS 2 A 5 MX	🔒 Secure
2026-06-23 16:00:31	1189ms	2 NS 2 A 5 MX	🔒 Secure
2026-06-23 11:59:52	1121ms	2 NS 2 A 5 MX	🔒 Secure
2026-06-21 18:10:47	1110ms	2 NS 2 A 5 MX	🔒 Secure