silkeborghs.dk DNS records

🖥️ Nameservers3 records 115ms

Nameserver	IP addresses	PTR	ASN / ISP
ns.efif.dk	195.254.168.23	ns.efif.dk	AS51073 Aarhus Business College
ns2.efif.dk	195.254.168.12	ns2.efif.dk	AS51073 Aarhus Business College
ns3.efif.dk	20.23.170.35	—	AS8075 Microsoft Corporation

🌍 A Records1 records 123ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
178.251.4.118	300s	vm0845.enterprisecloud.nu	AS48854	team.blue Denmark A/S	178.251.0.0/21	🇩🇰 Denmark	—

📧 MX Records1 records 72ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	silkeborghs-dk.mail.protection.outlook.com	2a01:111:f403:ca04::4 2a01:111:f403:ca04::c 2a01:111:f403:ca09::1 2a01:111:f403:ca09::7 52.101.68.12 52.101.68.29 52.101.73.19 52.101.73.4	mail-db4pr02cu00204.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-as9pr07cu00301.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-dbapr03cu00105.inbound.protection.outlook.com mail-as8pr04cu00803.inbound.protection.outlook.com mail-am0pr83cu00404.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

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 174ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	10	10	443	webmail.efif.dk

📝 TXT Records4 records 354ms

TXT Record
5A46XSDZIQioXw+hvg1a8GimADJ6Vni5RfR4ePYqMkZtMOXn4G0uvo9tDMUZL1tmLbz7PrdLawZDiXxH4U0YJw==
Handelsskolen Silkeborg
MS=ms23585150
v=spf1 redirect=_spf.efif.dk

✉️ SPF

Policy	Record (silkeborghs.dk)
no all — incomplete SPF	v=spf1 redirect=_spf.efif.dk

📨 DMARC

Policy	Record (_dmarc.silkeborghs.dk)
p=reject	v=DMARC1; p=reject; pct=100; ruf=mailto:analyze@efif.dk; rua=mailto:analyze@efif.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

🔗 TLSA / DANE

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

🔐 DNSSEC265ms

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

🏷️ SOA0ms

Field	Value
Serial	2012012437
Primary NS (MNAME)	ns.efif.dk
Responsible (RNAME)	dns-zc@efif.dk
Refresh	14400s
Retry	3600s
Expire	2419200s
Minimum (neg-cache TTL)	86400s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

115ms

A

123ms

MX

72ms

AAAA

116ms

TXT

354ms

CAA

118ms

HTTPS

112ms

TLSA

893ms

SOA

0ms

MTA-STS

164ms

DNSSEC

265ms

SRV

174ms

Total

2660ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-30 17:03:52	2660ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-26 18:23:37	899ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-24 13:52:21	5724ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-19 08:41:49	5365ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-18 08:40:04	18140ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-13 07:10:38	3144ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-10 16:45:58	5187ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-07 16:43:12	1206ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-02 17:44:30	3392ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-27 04:15:44	3278ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-24 03:08:09	5601ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-22 00:53:39	4220ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-15 17:28:39	2334ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-10 04:12:03	3936ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-08 12:11:32	17386ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-04 16:36:22	5970ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-06-29 10:56:37	834ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-06-24 19:50:29	731ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-06-23 14:34:42	14400ms	0 NS 0 A 0 MX	⚠️ Bogus	View
2026-06-20 21:24:18	1242ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 21:51:10	802ms	3 NS 1 A 1 MX	🔒 Secure	View