s-z.dk DNS records

🖥️ Nameservers2 records 71ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records1 records 83ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.30.211.38	600s	domain-parking.one.com	AS51468	One.com A/S	46.30.208.0/21	🇩🇰 Denmark	Copenhagen

📧 MX Records2 records 49ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mx10.websupport.se	109.235.175.125 2a00:1968:0:9:109:235:175:125	m101-u6-mx.websupport.se m101-out-mua-25.websupport.se	AS41528 Loopia AB AS41528 Loopia AB
20	3600s	mx20.websupport.se	109.235.175.126 2a00:1968:0:9:109:235:175:126	m101-u7-mx.websupport.se m101-out-mua-26.websupport.se	AS41528 Loopia AB AS41528 Loopia AB

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 221ms

TXT Record
v=spf1 mx a include:spf.websupport.se ip4:77.232.64.0/19 ip4:92.61.144.0/20 ip4:93.90.144.0/22 ip6:2a01:3b0::/32 a:servers.mcsv.net ip4:195.74.38.0/22 ip4:93.90.146.15 ~all

✉️ SPF

Policy	Record (s-z.dk)
~all (soft fail)	v=spf1 mx a include:spf.websupport.se ip4:77.232.64.0/19 ip4:92.61.144.0/20 ip4:93.90.144.0/22 ip6:2a01:3b0::/32 a:servers.mcsv.net ip4:195.74.38.0/22 ip4:93.90.146.15 ~all

📨 DMARC

Policy	Record (_dmarc.s-z.dk)
p=quarantine	v=DMARC1; p=quarantine; rua=mailto:postmaster@s-z.dk; ruf=mailto:l@s-z.dk; sp=none; fo=1

📬 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 / DANE6 records 153ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx10.websupport.se	DANE-TA · SPKI · SHA-256	C784333D20BCD742B9FDC3236F4E509B…
SMTP _25._tcp.mx10.websupport.se	DANE-TA · SPKI · SHA-256	0E8BB18BBEEFB381BE21BFC1A206D317…
SMTP _25._tcp.mx10.websupport.se	DANE-TA · SPKI · SHA-256	6BD9212CE649C659C9CABC6CB60FCFFA…
SMTP _25._tcp.mx20.websupport.se	DANE-TA · SPKI · SHA-256	C784333D20BCD742B9FDC3236F4E509B…
SMTP _25._tcp.mx20.websupport.se	DANE-TA · SPKI · SHA-256	0E8BB18BBEEFB381BE21BFC1A206D317…
SMTP _25._tcp.mx20.websupport.se	DANE-TA · SPKI · SHA-256	6BD9212CE649C659C9CABC6CB60FCFFA…

🔐 DNSSEC116ms

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

🏷️ SOA0ms

Field	Value
Serial	2026081101
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

71ms

A

83ms

MX

49ms

AAAA

44ms

TXT

221ms

CAA

56ms

HTTPS

53ms

TLSA

153ms

SOA

0ms

MTA-STS

78ms

DNSSEC

116ms

SRV

97ms

Total

2607ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-11 18:30:54	2607ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-07-17 15:45:03	8794ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-07-16 02:01:43	1051ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-07-02 14:04:26	9949ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-06-17 22:08:00	609ms	2 NS 1 A 2 MX	🔒 Secure	View