gotutor.dk

📜 Historical scan 2026-10-11 18:21:48  ·  ← 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   33ms
NameserverIP addressesPTRASN / 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   41ms
IPTTLPTRASNISP / OrgCIDRCountryCity
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   40ms
PriorityTTLMail ServerIP addressesPTRASN
1 300s aspmx.l.google.com 2a00:1450:4010:c0f::1b
2a00:1450:4010:c0f::1b
64.233.161.27		 lt-in-x1b.1e100.net
lt-in-f27.1e100.net
lh-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::1b		 lcdels-in-f27.1e100.net
lcdels-in-f27.1e100.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		 mad01s14-in-f26.1e100.net
yukulwh-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 173.194.41.26
173.194.41.26
2404:6800:4001:c01::1a		 mad01s14-in-f26.1e100.net
yukulwh-in-f26.1e100.net
yukulwh-in-f26.1e100.net		 AS15169 Google LLC
AS15169 Google LLC
AS15169 Google LLC

🔷 AAAA Records (IPv6)#

2 records   36ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
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   35ms
PriorityTargetSvcParams
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   192ms
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#

PolicyRecord (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#

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

📬 MTA-STS#

144ms
CheckResult
Status🔒 Enforce
TXT record (_mta-sts)✓ Found
HTTPS policy✓ Valid
Modeenforce
Policy ID20260615
max_age1209600s
Policy MXaspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, aspmx2.googlemail.com, aspmx3.googlemail.com

📈 TLSRPT#

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

📜 CAA Records#

10 records   37ms
FlagsTagValue
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
www172.66.40.234 172.66.43.22 2606:4700:3108::ac42:28ea 2606:4700:3108::ac42:2b16 (AS13335) (address records, no CNAME)
www vs bare domainSame network
WildcardNo
Denial of existenceCompact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEYPublished: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY
BIMIv=BIMI1; l=https://gotutor.fra1.digitaloceanspaces.com/gt_bimi.svg; avp=brand;

✍️ DKIM keys#

1 found
SelectorCNAMEKey
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#

TypeNameValue
TXT _acme-challenge.gotutor.dk SeyfznNj6W50IpiV0iDUZcQlRXiY_eXEsvnnQEXP_vQ
TXT _acme-challenge.gotutor.dk fZw5fwg5ecLHLXEu3HuSIjyJLMohFMxUV6vnvQ7Myew

🔗 TLSA / DANE#

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

🔐 DNSSEC#

60ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

47ms
FieldValue
Serial2417213807
Primary NS (MNAME)kim.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-12 05:48:31
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2019-02-21
Expires2032-02-29 (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).

DomainRegistrar
gokarakter.dkPunktum dk A/S (direct)
nakgym.dkPunktum dk A/S (direct)
📋 WHOIS#

⏱️ Lookup Timing#

NS
33ms
A
41ms
MX
40ms
AAAA
36ms
TXT
192ms
CAA
37ms
HTTPS
35ms
TLSA
91ms
SOA
47ms
MTA-STS
144ms
DNSSEC
60ms
SRV
62ms
Total
750ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
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 shown 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 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
dhd.dk [/] search Domains, Hosts & DNS — .dk zone