gravio.dk

📜 Historical scan 2026-09-13 04:58:23 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

gravio.dk is a .dk domain served by 2 nameservers (bella.ns.cloudflare.com, mark.ns.cloudflare.com). It was registered on 10 January 2011 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.40.244 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by gravio-dk.mail.protection.outlook.com. 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 41ms

Nameserver	IP addresses	PTR	ASN / ISP
bella.ns.cloudflare.com	108.162.192.74 172.64.32.74 173.245.58.74 2606:4700:50::adf5:3a4a 2803:f800:50::6ca2:c04a 2a06:98c1:50::ac40:204a	bella.ns.cloudflare.com bella.ns.cloudflare.com bella.ns.cloudflare.com bella.ns.cloudflare.com bella.ns.cloudflare.com bella.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
mark.ns.cloudflare.com	108.162.193.130 172.64.33.130 173.245.59.130 2606:4700:58::adf5:3b82 2803:f800:50::6ca2:c182 2a06:98c1:50::ac40:2182	mark.ns.cloudflare.com mark.ns.cloudflare.com mark.ns.cloudflare.com mark.ns.cloudflare.com mark.ns.cloudflare.com mark.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 46ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.40.244	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.140.99	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 36ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	300s	gravio-dk.mail.protection.outlook.com	2a01:111:f403:ca04::10 2a01:111:f403:ca04::6 2a01:111:f403:ca04::b 2a01:111:f403:ca21::8 52.101.185.114 52.101.68.36 52.101.73.155 52.101.91.156	mail-dbapr03cu00100.inbound.protection.outlook.com mail-db4pr02cu00406.inbound.protection.outlook.com mail-dbbpr03cu00103.inbound.protection.outlook.com mail-matpr04cu00100.inbound.protection.outlook.com mail-zrxpr04cu00102.inbound.protection.outlook.com mail-db5pr02cu00104.inbound.protection.outlook.com mail-am7pr02cu00203.inbound.protection.outlook.com mail-maspr04cu00104.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.8
🔶 Autoconfig	178.62.240.214

🔷 AAAA Records (IPv6)#

2 records 36ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::6815:28f4	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3031::ac43:8c63	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 34ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.40.244,172.67.140.99 ech=AEX+DQBBKQAgACCzZ5q7N/c3rRl6w1DkWWzClTvbQGs2SWvI9T1+W4eHPAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:28f4,2606:4700:3031::ac43:8c63

📝 TXT Records#

3 records 195ms

TXT Record
google-site-verification=ZQ6z1hwJIES7gtdl1IJ16T8dApKGXAJ_bOz55skC7e0
sending_domain1104641=c1fbc385501ede901fb5e314fb0738d3778b69a87d921a698d1c9adc32cace71
v=spf1 include:spf.protection.outlook.com include:mail.zendesk.com include:servers.mcsv.net include:_spf.salesforce.com ip4:91.144.246.150 -all

✉️ SPF#

Policy	Record (gravio.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:mail.zendesk.com include:servers.mcsv.net include:_spf.salesforce.com ip4:91.144.246.150 -all

📨 DMARC#

Policy	Record (_dmarc.gravio.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:d1eb825b3f4d4174b3eab7fa0298790f@dmarc-reports.cloudflare.net,mailto:dmarc@gravio.dk

📬 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 2026-10-08 17:57:11

www	104.21.40.244 172.67.140.99 2606:4700:3031::6815:28f4 2606:4700:3031::ac43:8c63 (AS13335) (address records, no CNAME)
www vs bare domain	Same network gravio.dk: 104.21.40.244 172.67.140.99 2606:4700:3031::6815:28f4 2606:4700:3031::ac43:8c63 (AS13335) www.gravio.dk: 104.21.40.244 172.67.140.99 2606:4700:3031::6815:28f4 2606:4700:3031::ac43:8c63 (AS13335)
Wildcard	Yes: any name under the zone resolves
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

✍️ DKIM keys#

2 found

Selector	CNAME	Key
selector1	selector1-gravio-dk._domainkey.gravioapsskoleit.onmicrosoft.com	RSA · ~1024 bit below 2048 bit
selector2	selector2-gravio-dk._domainkey.gravioapsskoleit.onmicrosoft.com	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: 5/10 · policy: -all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.gravio.dk	R98s-MeQ6uH1aDP-CHduXs5aRN1ErluXYR19utzEPJU
TXT	_acme-challenge.gravio.dk	iKhjuyQMAfqCsS_9_QDEYp7TsOlNwZNHB7fg6XnOWMQ

🔗 TLSA / DANE#

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

🔐 DNSSEC#

130ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2414597974
Primary NS (MNAME)	bella.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-19 23:07:12

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2011-01-10
Expires	2027-01-31 (101d)

🔗 Same registrant#

27 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
aarhus-friskole.dk	CURANET A/S
afgangsbevis.dk	Punktum dk A/S (direct)
apps2code.dk	CURANET A/S
brammingtanker.dk	CURANET A/S
capipe.dk	CURANET A/S
demoskole.dk	Punktum dk A/S (direct)
efterskoleit.dk	Punktum dk A/S (direct)
efterskolernes-dag.dk	Punktum dk A/S (direct)
efterskolernesdag.dk	Punktum dk A/S (direct)
efterskoleweb.dk	Punktum dk A/S (direct)
eksamensbevis.dk	Punktum dk A/S (direct)
eksamensbeviser.dk	Punktum dk A/S (direct)
finddinefterskole.dk	Punktum dk A/S (direct)
gravio-smtp.dk	Punktum dk A/S (direct)
gvent.dk	CURANET A/S
himmerlands-ungdomsskole.dk	Punktum dk A/S (direct)
mindebog.dk	Punktum dk A/S (direct)
revisorit.dk	Punktum dk A/S (direct)
skoledrift.dk	CURANET A/S
skoleit.dk	Punktum dk A/S (direct)
skoleitenheder.dk	CURANET A/S
skolekontor.dk	CURANET A/S
skoleplus.dk	CURANET A/S
techkup.dk	CURANET A/S
techkuppet.dk	CURANET A/S
testskole.dk	CURANET A/S
zamrum.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

41ms

46ms

36ms

AAAA

36ms

TXT

195ms

CAA

36ms

HTTPS

34ms

TLSA

542ms

SOA

0ms

MTA-STS

74ms

DNSSEC

130ms

SRV

80ms

Total

1462ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-02 15:19:03	1362ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-28 14:44:07	940ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-21 12:08:56	1372ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-17 18:20:32	1287ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-14 07:46:00	1295ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-13 04:58:23 shown	1462ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-15 16:40:49	1428ms	2 NS 2 A 1 MX	🔒 Secure
2026-07-23 15:44:17	1276ms	2 NS 2 A 1 MX	🔒 Secure
2026-07-22 09:43:57	3962ms	2 NS 2 A 1 MX	🔒 Secure
2026-07-19 14:07:32	2229ms	2 NS 2 A 1 MX	🔒 Secure
2026-07-14 09:24:08	9173ms	2 NS 2 A 1 MX	🔒 Secure
2026-07-02 11:02:53	2051ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-26 19:16:36	1478ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-21 21:51:41	766ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-17 10:50:28	1192ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-17 10:40:42	1264ms	2 NS 2 A 1 MX	🔒 Secure