sdalby.dk DNS records

🖥️ Nameservers2 records 57ms

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 56ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.30.215.188	3600s	webcluster2.webpod17-cph3.one.com	AS51468	One.com A/S	46.30.208.0/21	🇩🇰 Denmark	Copenhagen

📧 MX Records1 records 81ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	sdalby-dk.mail.protection.outlook.com	2a01:111:f403:ca04::2 2a01:111:f403:ca09::20 2a01:111:f403:ca09::6 2a01:111:f403:ca09::a 52.101.68.12 52.101.68.21 52.101.68.5 52.101.73.15	mail-du2pr03cu00102.inbound.protection.outlook.com mail-as8pr05cu00400.inbound.protection.outlook.com mail-am4pr0401cu00106.inbound.protection.outlook.com mail-am7pr02cu00202.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-db4pr02cu00205.inbound.protection.outlook.com mail-du2pr03cu00105.inbound.protection.outlook.com mail-am9pr04cu00107.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 → 40.104.116.40
🔶 Autoconfig	46.30.215.188

🔷 AAAA Records (IPv6)1 records 42ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:5:106:80e1:d044:dd47:62be	3600s	—	AS51468	One.com A/S	2a02:2350:0:0:0:0:0:0/32	🇩🇰 Denmark	Copenhagen

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 97ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records2 records 223ms

TXT Record
MS=ms55897195
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (sdalby.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com -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 Records

✗ No CAA records — any CA may issue certificates

🔗 TLSA / DANE

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

🔐 DNSSEC124ms

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

🏷️ SOA0ms

Field	Value
Serial	2026081602
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

57ms

A

56ms

MX

81ms

AAAA

42ms

TXT

223ms

CAA

90ms

HTTPS

77ms

TLSA

647ms

SOA

0ms

MTA-STS

98ms

DNSSEC

124ms

SRV

97ms

Total

1384ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-28 04:24:29	1384ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-17 02:53:47	1979ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-15 22:50:48	1704ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-02 15:35:00	1592ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-25 16:06:10	1636ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-21 04:49:41	619ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-18 06:39:51	1470ms	2 NS 1 A 1 MX	🔒 Secure	View