gotutor.dk DNS records

🖥️ Nameservers2 records 38ms

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 Records2 records 32ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
172.66.40.234	600s	—	AS13335	Cloudflare, Inc.	172.66.40.0/21	—	—
172.66.43.22	600s	—	AS13335	Cloudflare, Inc.	172.66.40.0/21	—	—

📧 MX Records5 records 39ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	600s	aspmx.l.google.com	142.251.9.27 2a00:1450:4010:c06::1a 2a00:1450:4010:c06::1a	rc-in-f27.1e100.net lj-in-x1a.1e100.net lj-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
5	600s	alt1.aspmx.l.google.com	192.178.211.26 2404:6800:4003:c26::1a	lcbomp-in-f26.1e100.net so-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	600s	alt2.aspmx.l.google.com	108.177.125.26 2a00:1450:4013:c1e::1a	tp-in-f26.1e100.net yugrqzs-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	600s	aspmx2.googlemail.com	172.253.158.27 2404:6800:4003:c26::1a	so-in-f27.1e100.net so-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	600s	aspmx3.googlemail.com	108.177.125.27 2404:6800:4003:c26::1a	tp-in-f27.1e100.net so-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC

🔷 AAAA Records (IPv6)2 records 32ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3108::ac42:28ea	600s	—	AS13335	Cloudflare, Inc.	2606:4700:3108:0:0:0:0:0/48	—	—
2606:4700:3108::ac42:2b16	600s	—	AS13335	Cloudflare, Inc.	2606:4700:3108:0:0:0:0:0/48	—	—

🔐 HTTPS Records1 records 31ms

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 Records4 records 211ms

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-STS110ms

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 Records10 records 87ms

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

🔏 ACME Challenge

Type	Name	Value
TXT	_acme-challenge.gotutor.dk	nvkJFw-D10W1f09eM3QdgEtQ5BbmdLaO4VWKWzAsXUI
TXT	_acme-challenge.gotutor.dk	uJOMrxhdq7pUTT7vexe6dT6Ugnomgo1F8Xoc0zSWawA

🔗 TLSA / DANE

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

🔐 DNSSEC66ms

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

🏷️ SOA52ms

Field	Value
Serial	2407540470
Primary NS (MNAME)	kim.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

38ms

A

32ms

MX

39ms

AAAA

32ms

TXT

211ms

CAA

87ms

HTTPS

31ms

TLSA

61ms

SOA

52ms

MTA-STS

110ms

DNSSEC

66ms

SRV

158ms

Total

1121ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 00:14:30	1054ms	2 NS 2 A 5 MX	🔒 Secure	View
2026-08-26 02:53:19	1058ms	2 NS 2 A 5 MX	🔒 Secure	View
2026-08-16 16:58:29	1789ms	2 NS 2 A 5 MX	🔒 Secure	View
2026-08-15 16:42:08	3800ms	2 NS 2 A 5 MX	🔒 Secure	View
2026-08-14 14:33:20	8050ms	2 NS 2 A 5 MX	🔒 Secure	View
2026-08-11 15:59:44	2222ms	2 NS 2 A 5 MX	🔒 Secure	View
2026-08-09 05:41:27	2123ms	2 NS 2 A 5 MX	🔒 Secure	View
2026-08-08 01:14:19	9602ms	2 NS 2 A 5 MX	🔒 Secure	View
2026-07-31 19:32:28	9547ms	2 NS 2 A 5 MX	🔒 Secure	View
2026-07-20 08:43:38	1379ms	2 NS 2 A 5 MX	🔒 Secure	View
2026-07-17 21:25:23	5405ms	2 NS 2 A 5 MX	🔒 Secure	View
2026-07-15 22:22:01	2531ms	2 NS 2 A 5 MX	🔒 Secure	View
2026-07-03 19:47:40	1310ms	2 NS 2 A 5 MX	🔒 Secure	View
2026-06-23 16:00:31	1189ms	2 NS 2 A 5 MX	🔒 Secure	View
2026-06-23 11:59:52	1121ms	2 NS 2 A 5 MX	🔒 Secure	View
2026-06-21 18:10:47	1110ms	2 NS 2 A 5 MX	🔒 Secure	View
2026-06-18 21:48:34	5362ms	2 NS 2 A 5 MX	🔒 Secure	View
2026-06-17 09:24:06	3652ms	2 NS 2 A 5 MX	🔒 Secure	View