a-leaf.dk DNS records

🖥️ Nameservers2 records 49ms

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 65ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.30.215.80	3600s	webcluster1.webpod16-cph3.one.com	AS51468	One.com A/S	46.30.208.0/21	🇩🇰 Denmark	Copenhagen

📧 MX Records1 records 68ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	aleaf-dk0c.mail.protection.outlook.com	2a01:111:f403:ca04::6 2a01:111:f403:ca09::26 2a01:111:f403:ca09::3 2a01:111:f403:ca09::7 52.101.68.25 52.101.73.1 52.101.73.12 52.101.73.19	mail-db4pr02cu00406.inbound.protection.outlook.com mail-am8pr83cu00106.inbound.protection.outlook.com mail-am6pr04cu00303.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-db8pr02cu00101.inbound.protection.outlook.com mail-am3pr04cu00501.inbound.protection.outlook.com mail-am4pr0401cu00104.inbound.protection.outlook.com mail-as8pr04cu00803.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
🔶 Autoconfig	46.30.215.80

🔷 AAAA Records (IPv6)1 records 59ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:5:111:86:d98:b513:6904	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 93ms

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

📝 TXT Records3 records 227ms

TXT Record
google-site-verification=oRczGfYAtKE9DIwBPTLdjPEXUFFdcbS6Q_ppJH7gTZg
MS=ms22432286
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (a-leaf.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)

🔐 DNSSEC165ms

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

🏷️ SOA0ms

Field	Value
Serial	2026081302
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

49ms

A

65ms

MX

68ms

AAAA

59ms

TXT

227ms

CAA

59ms

HTTPS

49ms

TLSA

366ms

SOA

0ms

MTA-STS

90ms

DNSSEC

165ms

SRV

93ms

Total

1083ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 18:13:13	1083ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-27 02:10:04	1212ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-17 02:24:46	5443ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-14 08:53:03	2152ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-13 04:34:42	3427ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-22 10:02:28	7484ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-01 12:51:44	830ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-26 11:05:17	1500ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-21 07:34:01	994ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-20 21:19:39	1454ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-16 13:15:11	779ms	2 NS 1 A 1 MX	🔒 Secure	View