crosscard.dk DNS records

🖥️ Nameservers3 records 43ms

Nameserver	IP addresses	PTR	ASN / 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

🌍 A Records1 records 49ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
94.231.103.142	3600s	linux130.unoeuro.com	AS48854	team.blue Denmark A/S	94.231.96.0/20	🇩🇰 Denmark	—

📧 MX Records3 records 56ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mx.zoho.eu	185.230.214.166 185.230.214.166 185.230.214.166	mx2.zoho.eu mx3.zoho.eu mx.zoho.eu	AS205111 ZOHO Corporation B.V AS205111 ZOHO Corporation B.V AS205111 ZOHO Corporation B.V
20	3600s	mx2.zoho.eu	185.230.214.166 185.230.214.166 185.230.214.166	mx2.zoho.eu mx3.zoho.eu mx.zoho.eu	AS205111 ZOHO Corporation B.V AS205111 ZOHO Corporation B.V AS205111 ZOHO Corporation B.V
30	3600s	mx3.zoho.eu	185.230.212.166 185.230.212.166 185.230.212.166	mx2.zoho.eu mx3.zoho.eu mx.zoho.eu	AS205111 ZOHO Corporation B.V AS205111 ZOHO Corporation B.V AS205111 ZOHO Corporation B.V

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	94.231.103.142
🔶 Autoconfig	maildiscover.simply.com → 94.231.108.222

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 72ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	10	10	443	maildiscover.simply.com

📝 TXT Records5 records 162ms

TXT Record
firebase=crosscard-280513
google-site-verification=xgLIlpAdY9qyQZSHnnS6WWc_yGdvVpwp3mt_Lm0GUVk
v=spf1 include:_spf.firebasemail.com ~all
v=spf1 include:zohomail.eu -all
zoho-verification=zb21656728.zmverify.zoho.eu

✉️ SPF

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

Policy	Record (crosscard.dk)
~all (soft fail)	v=spf1 include:_spf.firebasemail.com ~all
-all (hard fail)	v=spf1 include:zohomail.eu -all

📨 DMARC

Policy	Record (_dmarc.crosscard.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:dmarc@robot.simply.com; ruf=mailto:dmarc@robot.simply.com;

📬 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)

🔐 DNSSEC119ms

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

🏷️ SOA0ms

Field	Value
Serial	2025042300
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

43ms

A

49ms

MX

56ms

AAAA

41ms

TXT

162ms

CAA

52ms

HTTPS

62ms

TLSA

67ms

SOA

0ms

MTA-STS

72ms

DNSSEC

119ms

SRV

72ms

Total

736ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 18:43:14	736ms	3 NS 1 A 3 MX	🔒 Secure	View
2026-07-02 00:44:49	668ms	3 NS 1 A 3 MX	🔒 Secure	View
2026-06-17 00:04:41	65535ms	3 NS 1 A 3 MX	🔒 Secure	View
2026-06-16 23:07:18	2467ms	3 NS 1 A 3 MX	🔒 Secure	View
2026-06-16 23:01:14	577ms	3 NS 1 A 3 MX	🔒 Secure	View
2026-06-16 23:00:42	805ms	3 NS 1 A 3 MX	🔒 Secure	View