gramhojskole.dk

📜 Historical scan 2026-08-26 18:45:47 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

gramhojskole.dk is a .dk domain served by 2 nameservers (bella.ns.cloudflare.com, mark.ns.cloudflare.com). It was registered on 21 September 2020 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 77.111.240.183 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by gramhojskole-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, has no 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 35ms

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#

1 records 31ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
77.111.240.183	300s	webcluster56.webpod11-cph3.one.com	AS51468	One.com A/S	77.111.240.0/22	🇩🇰 Denmark	Copenhagen

📧 MX Records#

1 records 36ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	gramhojskole-dk.mail.protection.outlook.com	2a01:111:f403:ca04::a 2a01:111:f403:ca09::24 2a01:111:f403:ca09::7 2a01:111:f403:ca38::8 52.101.68.27 52.101.73.153 52.101.73.22 52.101.73.30	mail-du0pr03cu00102.inbound.protection.outlook.com mail-am6pr02cu00204.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-wa4pr04cu00100.inbound.protection.outlook.com mail-db7pr03cu00503.inbound.protection.outlook.com mail-as8pr05cu00401.inbound.protection.outlook.com mail-am7pr05cu00106.inbound.protection.outlook.com mail-am7pr05cu00306.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 → 40.104.116.40
🔶 Autoconfig	77.111.240.183

🔷 AAAA Records (IPv6)#

1 records 35ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:5:102:80bb:abe8:6dd4:b6	300s	—	AS51468	One.com A/S	2a02:2350:0:0:0:0:0:0/32	🇩🇰 Denmark	Copenhagen

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 56ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records#

3 records 170ms

TXT Record
MS=ms32013772
MS=ms39130603
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (gramhojskole.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com -all

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 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 2026-10-14 00:06:17

www	77.111.240.183 2a02:2350:5:102:80bb:abe8:6dd4:b6 (AS51468) (address records, no CNAME)
www vs bare domain	Same network gramhojskole.dk: 77.111.240.183 2a02:2350:5:102:80bb:abe8:6dd4:b6 (AS51468) www.gramhojskole.dk: 77.111.240.183 2a02:2350:5:102:80bb:abe8:6dd4:b6 (AS51468)
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

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔏 ACME Challenge#

Type	Name	Value
CNAME	_acme-challenge.gramhojskole.dk	gramhojskole.dk.acme-cust-transient.one.com

🔗 TLSA / DANE#

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

🔐 DNSSEC#

105ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2413233197
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 2026-10-11 20:23:37

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2020-09-21
Expires	2027-09-30 (338d)

🔗 Same registrant#

1 domain

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
gramhøjskole.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

35ms

31ms

36ms

AAAA

35ms

TXT

170ms

CAA

38ms

HTTPS

40ms

TLSA

315ms

SOA

0ms

MTA-STS

52ms

DNSSEC

105ms

SRV

56ms

Total

892ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-14 00:06:17	1826ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-11 20:03:10	1530ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-10 18:38:16	2504ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-01 06:07:52	951ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-30 20:29:43	3840ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-29 20:23:53	703ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-22 01:26:15	1997ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-28 04:55:19	851ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-26 18:45:47 shown	892ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-13 14:53:35	6513ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-12 14:43:26	2471ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-07 21:55:10	9355ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-02 04:37:41	3408ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-10 05:31:59	10779ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-30 07:49:42	1053ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-22 21:07:59	2898ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-22 12:11:28	1101ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-21 08:40:22	1588ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 10:18:14	2983ms	2 NS 1 A 1 MX	🔒 Secure