skiteori.dk DNS records

🖥️ Nameservers2 records 79ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.vercel-dns.com	198.51.44.13 2620:4d:4000:6259:7:13:0:1	dns1.p13.nsone.net dns1.p13.nsone.net	AS62597 NSONE Inc AS62597 NSONE Inc
ns2.vercel-dns.com	198.51.45.13 2a00:edc0:6259:7:13::2	dns2.p13.nsone.net dns2.p13.nsone.net	AS62597 NSONE Inc AS62597 NSONE Inc

🌍 A Records2 records 73ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
216.198.79.1	1800s	—	AS16509	Amazon.com, Inc.	216.198.79.0/24	🇺🇸 United States	—
216.198.79.65	1800s	—	AS16509	Amazon.com, Inc.	216.198.79.0/24	🇺🇸 United States	—

📧 MX Records3 records 45ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	60s	mx.zoho.eu	185.230.214.166 185.230.214.166 185.230.214.166	mx2.zoho.eu mx.zoho.eu mx3.zoho.eu	AS205111 ZOHO Corporation B.V AS205111 ZOHO Corporation B.V AS205111 ZOHO Corporation B.V
20	60s	mx2.zoho.eu	185.230.214.166 185.230.214.166 185.230.214.166	mx2.zoho.eu mx.zoho.eu mx3.zoho.eu	AS205111 ZOHO Corporation B.V AS205111 ZOHO Corporation B.V AS205111 ZOHO Corporation B.V
50	60s	mx3.zoho.eu	185.230.212.166 185.230.212.166 185.230.212.166	mx.zoho.eu mx2.zoho.eu mx3.zoho.eu	AS205111 ZOHO Corporation B.V AS205111 ZOHO Corporation B.V AS205111 ZOHO Corporation B.V

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	216.198.79.65
🔶 Autoconfig	64.29.17.1

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records4 records 323ms

TXT Record
google-site-verification=c_pnvjdnsMzrBjYQ_rV6lkixD-JfL5uBxv-slddMMYI
v=spf1 include:zoho.eu ~all
v=spf1 include:zohomail.eu include:zoho.eu ~all
zoho-verification=zb37341169.zmverify.zoho.eu

✉️ SPF

⚠ Multiple SPF records — RFC 7208 §4.5 violation (receivers must treat this as permerror)

Policy	Record (skiteori.dk)
~all (soft fail)	v=spf1 include:zoho.eu ~all
~all (soft fail)	v=spf1 include:zohomail.eu include:zoho.eu ~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 Records3 records 53ms

Flags	Tag	Value
0	issue	letsencrypt.org
0	issue	pki.goog
0	issue	sectigo.com

🔗 TLSA / DANE

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

🔐 DNSSEC9091ms

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

🏷️ SOA0ms

Field	Value
Serial	1728378337
Primary NS (MNAME)	ns1.vercel-dns.com
Responsible (RNAME)	hostmaster@nsone.net
Refresh	43200s
Retry	7200s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

79ms

A

73ms

MX

45ms

AAAA

74ms

TXT

323ms

CAA

53ms

HTTPS

54ms

TLSA

245ms

SOA

0ms

MTA-STS

105ms

DNSSEC

9091ms

SRV

127ms

Total

9932ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-25 23:55:38	9932ms	2 NS 2 A 3 MX	🔓 Insecure	View
2026-06-18 01:36:01	1033ms	2 NS 2 A 3 MX	🔓 Insecure	View