silkehs.dk DNS records

🖥️ Nameservers3 records 97ms

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 99ms

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 88ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	silkehs-dk.mail.protection.outlook.com	2a01:111:f403:ca04:: 2a01:111:f403:ca04::c 2a01:111:f403:ca09::20 2a01:111:f403:ca38::8 52.101.103.140 52.101.68.10 52.101.73.155 52.101.73.24	mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-as8pr05cu00400.inbound.protection.outlook.com mail-wa4pr04cu00100.inbound.protection.outlook.com mail-miypr02cu00204.inbound.protection.outlook.com mail-dbbpr03cu00102.inbound.protection.outlook.com mail-am7pr02cu00203.inbound.protection.outlook.com mail-as8pr05cu00300.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 147ms

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

📝 TXT Records4 records 283ms

TXT Record
Handelsskolen Silkeborg
hz3HfeWoNGSnHZyqYfn5bZuZeTsa29IPC08fAymOT7HN+8t0rVmqicDbf+WxiiVz90olIhnmmsCHSEPQkBsLrw==
MS=ms66707730
v=spf1 redirect=_spf.efif.dk

✉️ SPF

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

📨 DMARC

Policy	Record (_dmarc.silkehs.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)

🔐 DNSSEC242ms

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

🏷️ SOA0ms

Field	Value
Serial	2012012443
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

97ms

A

99ms

MX

88ms

AAAA

83ms

TXT

283ms

CAA

109ms

HTTPS

78ms

TLSA

809ms

SOA

0ms

MTA-STS

160ms

DNSSEC

242ms

SRV

147ms

Total

1804ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-31 19:37:30	1804ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-28 09:41:58	1688ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-26 15:42:44	1292ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-25 02:06:08	10584ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-18 21:13:50	10989ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-13 11:08:42	6467ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-10 10:20:16	3521ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-06 22:10:10	7059ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-27 18:26:52	5756ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-26 17:21:35	5228ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-24 16:51:36	14028ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-22 03:34:24	3857ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-16 15:07:16	4819ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-11 13:12:26	3684ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-08 12:12:57	3513ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-04 15:21:38	4107ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-06-28 20:36:14	1094ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-06-23 17:27:17	3088ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-06-22 14:22:18	10029ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-06-22 07:41:12	913ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-20 06:06:26	1146ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-06-18 00:36:09	910ms	3 NS 1 A 1 MX	🔒 Secure	View