skyum.dk DNS records

🖥️ Nameservers2 records 107ms

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 Records1 records 111ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.101.203.18	300s	—	AS14061	DigitalOcean, LLC	46.101.0.0/16	🇩🇪 Germany	Frankfurt am Main

📧 MX Records1 records 118ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	skyum-dk.mail.protection.outlook.com	2a01:111:f403:ca04::e 2a01:111:f403:ca09::1 2a01:111:f403:ca09::3 2a01:111:f403:ca09::4 52.101.68.10 52.101.68.8 52.101.73.153 52.101.73.8	mail-db8pr02cu00106.inbound.protection.outlook.com mail-as9pr07cu00301.inbound.protection.outlook.com mail-am6pr04cu00303.inbound.protection.outlook.com mail-am0pr04cu00504.inbound.protection.outlook.com mail-dbbpr03cu00102.inbound.protection.outlook.com mail-du0pr03cu00100.inbound.protection.outlook.com mail-as8pr05cu00401.inbound.protection.outlook.com mail-am0pr04cu00500.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 → 40.104.116.24

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 195ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	0	1	5061	sipfed.online.lync.com

📝 TXT Records1 records 414ms

TXT Record
v=spf1 ip4:152.115.91.130 ip4:152.115.91.133 ip4:130.226.154.162 ip4:178.79.173.123 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (skyum.dk)
-all (hard fail)	v=spf1 ip4:152.115.91.130 ip4:152.115.91.133 ip4:130.226.154.162 ip4:178.79.173.123 include:spf.protection.outlook.com -all

📨 DMARC

Policy	Record (_dmarc.skyum.dk)
p=quarantine	v=DMARC1; p=quarantine; rua=mailto:dmarc-feedback@educant.dk; aspf=r

📬 MTA-STS

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records12 records 135ms

Flags	Tag	Value
0	iodef	mailto:support@educant.dk
0	issue	comodoca.com
0	issue	digicert.com; cansignhttpexchanges=yes
0	issue	letsencrypt.org
0	issue	pki.goog; cansignhttpexchanges=yes
0	issue	rapidssl.com
0	issue	ssl.com
0	issuewild	comodoca.com
0	issuewild	digicert.com; cansignhttpexchanges=yes
0	issuewild	letsencrypt.org
0	issuewild	pki.goog; cansignhttpexchanges=yes
0	issuewild	ssl.com

🔗 TLSA / DANE

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

🔐 DNSSEC208ms

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

🏷️ SOA0ms

Field	Value
Serial	2412893229
Primary NS (MNAME)	bella.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

107ms

A

111ms

MX

118ms

AAAA

139ms

TXT

414ms

CAA

135ms

HTTPS

123ms

TLSA

602ms

SOA

0ms

MTA-STS

175ms

DNSSEC

208ms

SRV

195ms

Total

1697ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 09:32:03	1697ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-08-23 13:50:05	4605ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-08-14 06:41:36	1644ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-08-01 00:59:59	2169ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-07-20 11:49:19	9322ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-07-06 04:11:38	2250ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-07-02 12:31:41	3752ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-18 05:41:03	1533ms	2 NS 1 A 1 MX	🔓 Insecure	View