realskolen.dk

Records from scan: 2026-10-24 14:06:34 · 1925ms total · last checked 2026-10-26 21:46 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

realskolen.dk is a .dk domain served by 4 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com and 1 more). It was registered on 24 June 1998 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.130.190.68 is hosted by Procopa IT ApS (AS210939) in Denmark. Mail is handled by realskolen-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, has no DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

4 records 123ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.simply.com	2a02:2339:1:15c::4562:4562 91.197.248.78	ns1.simply.com ns1.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.simply.com	185.25.141.15 2a02:2339:4006:101::4562:4562	ns2.simply.com ns2.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns3.simply.com	91.197.248.79	ns3.simply.com	AS48854 team.blue Denmark A/S
ns4.simply.com	91.197.248.80	ns4.simply.com	AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 69ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.130.190.68	3600s	web03.simpledigital.dk	AS210939	Procopa IT ApS	185.130.190.0/23	🇩🇰 Denmark	—

📧 MX Records#

1 records 66ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	realskolen-dk.mail.protection.outlook.com	2a01:111:f403:ca04::4 2a01:111:f403:ca04::9 2a01:111:f403:ca09::26 2a01:111:f403:ca48::e 52.101.185.114 52.101.73.120 52.101.73.123 52.101.73.155	mail-db4pr02cu00204.inbound.protection.outlook.com mail-db7pr03cu00601.inbound.protection.outlook.com mail-am8pr83cu00106.inbound.protection.outlook.com mail-miypr03cu00206.inbound.protection.outlook.com mail-zrxpr04cu00102.inbound.protection.outlook.com mail-am7pr02cu00300.inbound.protection.outlook.com mail-am6pr02cu00203.inbound.protection.outlook.com mail-am7pr02cu00203.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 → 40.104.116.56
🔶 Autoconfig	185.130.190.68

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 326ms

TXT Record
v=spf1 include:spf.protection.outlook.com ip4:108.143.44.149 -all

✉️ SPF#

Policy	Record (realskolen.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com ip4:108.143.44.149 -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#

checked 2026-10-24 14:06:34

www	185.130.190.68 (AS210939) (address records, no CNAME)
www vs bare domain	Same network realskolen.dk: 185.130.190.68 (AS210939) www.realskolen.dk: 185.130.190.68 (AS210939)
Wildcard	Yes: any name under the zone resolves

✍️ DKIM keys#

1 found

Selector	CNAME	Key
selector1	selector1-realskolen-dk._domainkey.holbaekrealskole.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: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

194ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA#

58ms

Field	Value
Serial	2026102300
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-24 14:22:52

Field	Value
Registrar	Simply.com A/S
Registered	1998-06-24
Expires	2027-06-30 (245d)

🔗 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
holbaek-realskolen.dk	Punktum dk A/S (direct)
holbaekrealskole.dk	Simply.com A/S

📋 WHOIS#

⏱️ Lookup Timing#

123ms

69ms

66ms

AAAA

75ms

TXT

326ms

CAA

101ms

HTTPS

110ms

TLSA

839ms

SOA

58ms

MTA-STS

149ms

DNSSEC

194ms

SRV

160ms

Total

1925ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-24 14:06:34 shown	1925ms	4 NS 1 A 1 MX	🔓 Insecure
2026-10-20 21:56:47	1053ms	4 NS 1 A 1 MX	🔓 Insecure
2026-10-12 13:21:14	1429ms	4 NS 1 A 1 MX	🔓 Insecure
2026-10-02 08:45:12	505ms	4 NS 1 A 1 MX	🔓 Insecure
2026-10-01 08:40:03	720ms	4 NS 1 A 1 MX	🔓 Insecure
2026-08-27 12:28:24	1484ms	4 NS 1 A 1 MX	🔓 Insecure
2026-07-02 14:21:08	1354ms	4 NS 1 A 1 MX	🔓 Insecure
2026-06-24 05:52:17	1523ms	4 NS 1 A 1 MX	❓ Unknown
2026-06-22 12:28:40	1187ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-20 02:22:38	3222ms	4 NS 1 A 1 MX	🔓 Insecure
2026-06-17 18:55:41	1293ms	4 NS 1 A 1 MX	🔓 Insecure