mariagerefterskole.dk

Records from scan: 2026-10-22 09:46:13  ·  2531ms total  ·  last checked 2026-10-23 12:32 (unchanged)
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

mariagerefterskole.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 21 December 2015 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 94.231.103.100 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by mariagerefterskole-dk.f-v1.mx.microsoft. The zone is DNSSEC-signed and validates, publishes a DMARC policy and is reachable over IPv6. 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   27ms
NameserverIP addressesPTRASN / 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   27ms
IPTTLPTRASNISP / OrgCIDRCountryCity
94.231.103.100 600s dnsforward.simply.com AS48854 team.blue Denmark A/S 94.231.96.0/20 🇩🇰 Denmark —

📧 MX Records#

1 records   25ms
PriorityTTLMail ServerIP addressesPTRASN
10 3600s mariagerefterskole-dk.f-v1.mx.microsoft 2a01:111:f403:c967::8
2a01:111:f403:ca21::e
2a01:111:f403:ca48::10
2a01:111:f403:ca48::12
52.101.103.143
52.101.185.21
52.101.185.24
52.101.68.10		 mail-cpjpr04cu00100.inbound.protection.outlook.com
mail-matpr04cu00306.inbound.protection.outlook.com
mail-miypr05cu00100.inbound.protection.outlook.com
mail-miypr05cu00202.inbound.protection.outlook.com
mail-miypr03cu00107.inbound.protection.outlook.com
mail-zrxpr05cu00105.inbound.protection.outlook.com
mail-zrxpr07cu00100.inbound.protection.outlook.com
mail-dbbpr03cu00102.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#

ServiceCNAME / IP
🔷 Autodiscoverautodiscover.outlook.com → 52.98.149.152
🔶 Autoconfig94.231.103.54

🔷 AAAA Records (IPv6)#

1 records   27ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2001:67c:3c0:12::53 3600s — AS51468 One.com A/S 2001:67c:3c0:0:0:0:0:0/48 🇩🇰 Denmark —

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

2 records   51ms
ServicePriorityWeightPortTarget
_sip._tcp 100 1 443 sipdir.online.lync.com
_sipfederationtls._tcp 100 1 5061 sipfed.online.lync.com

📝 TXT Records#

1 records   78ms
TXT Record
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

PolicyRecord (mariagerefterskole.dk)
-all (hard fail) v=spf1 include:spf.protection.outlook.com -all

📨 DMARC#

PolicyRecord (_dmarc.mariagerefterskole.dk)
p=quarantine v=DMARC1; p=quarantine; rua=mailto:dmarc@mheskole.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#

checked 2026-10-22 09:46:13
www94.231.103.100 (AS48854) (address records, no CNAME)
www vs bare domainSame network
mariagerefterskole.dk: 94.231.103.100 2001:67c:3c0:12::53 (AS48854 AS51468)
www.mariagerefterskole.dk: 94.231.103.100 (AS48854)
WildcardYes: any name under the zone resolves
Denial of existenceNSEC zone can be walked (all names enumerable)
CDS / CDNSKEYPublished: 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

🔗 TLSA / DANE#

5 records   1995ms
Service / OwnerTypeCert association
SMTP _25._tcp.mariagerefterskole-dk.f-v1.mx.microsoft DANE-EE · SPKI · SHA-256 CFD68BDE4129C00A2402C21C0916EDF0…
SMTP _25._tcp.mariagerefterskole-dk.f-v1.mx.microsoft DANE-EE · SPKI · SHA-256 54883CC5F1849331E6BF5002C3129D20…
SMTP _25._tcp.mariagerefterskole-dk.f-v1.mx.microsoft DANE-TA · Full cert · SHA-256 EA7A25255D111FC3CE4CB8FABE3ADF9C…
SMTP _25._tcp.mariagerefterskole-dk.f-v1.mx.microsoft DANE-EE · SPKI · SHA-256 803F7447CC75B208DBCA042346F5D8DF…
SMTP _25._tcp.mariagerefterskole-dk.f-v1.mx.microsoft DANE-TA · Full cert · SHA-256 C1AD7778796D20BCA65C889A26550211…

🔐 DNSSEC#

100ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

25ms
FieldValue
Serial2026101200
Primary NS (MNAME)ns1.simply.com
Responsible (RNAME)hostmaster@simply.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)3600s

📋 Registration#

WHOIS fetched 2026-10-20 13:12:10
FieldValue
RegistrarSimply.com A/S
Registered2015-12-21
Expires2027-08-31 (311d)

🔗 Same registrant#

11 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
g-a-f.dkSimply.com A/S
mariager-efterskole.dkSimply.com A/S
mariager-hojskole.dkSimply.com A/S
mariager-højskole.dkSimply.com A/S
mariager-skolerne.dkSimply.com A/S
mariagerhojskole.dkSimply.com A/S
mariagerhøjskole.dkSimply.com A/S
mariagerskolerne.dkSimply.com A/S
mheskole.dkSimply.com A/S
supportklubben.dkSimply.com A/S
ungsommer.dkSimply.com A/S
📋 WHOIS#

⏱️ Lookup Timing#

NS
27ms
A
27ms
MX
25ms
AAAA
27ms
TXT
78ms
CAA
28ms
HTTPS
21ms
TLSA
1995ms
SOA
25ms
MTA-STS
34ms
DNSSEC
100ms
SRV
51ms
Total
2531ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-22 09:46:13 shown 2531ms 4 NS 1 A 1 MX 🔒 Secure
2026-10-20 12:57:27 612ms 4 NS 1 A 1 MX 🔒 Secure
2026-10-19 08:29:14 228ms 1 NS 0 A 0 MX ❓ Unknown
2026-10-18 07:02:47 215ms 1 NS 0 A 0 MX ❓ Unknown
2026-10-17 06:17:10 223ms 1 NS 0 A 0 MX ❓ Unknown
2026-10-16 05:21:37 128ms 1 NS 0 A 0 MX ❓ Unknown
2026-10-15 04:36:28 648ms 1 NS 0 A 0 MX ❓ Unknown
2026-10-13 01:29:31 4319ms 4 NS 1 A 1 MX 🔒 Secure
2026-10-01 07:42:50 631ms 4 NS 1 A 1 MX 🔒 Secure
2026-09-29 16:46:29 539ms 4 NS 1 A 1 MX 🔒 Secure
2026-09-26 21:08:34 701ms 4 NS 1 A 1 MX 🔒 Secure
2026-09-14 03:27:02 730ms 4 NS 1 A 1 MX 🔒 Secure
2026-08-21 23:03:48 17607ms 4 NS 1 A 1 MX 🔒 Secure
2026-06-17 14:37:12 2557ms 4 NS 1 A 1 MX 🔒 Secure
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