krestonsr.dk DNS records

🖥️ Nameservers2 records 46ms

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 49ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.30.215.61	3600s	webcluster2.webpod15-cph3.one.com	AS51468	One.com A/S	46.30.208.0/21	🇩🇰 Denmark	Copenhagen

📧 MX Records1 records 55ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	krestonsr-dk.mail.protection.outlook.com	2a01:111:f403:ca09::20 2a01:111:f403:ca09::3 2a01:111:f403:ca09::6 2a01:111:f403:ca48::8 52.101.68.10 52.101.68.8 52.101.73.126 52.101.73.6	mail-as8pr05cu00400.inbound.protection.outlook.com mail-am6pr04cu00303.inbound.protection.outlook.com mail-am4pr0401cu00106.inbound.protection.outlook.com mail-miypr02cu00100.inbound.protection.outlook.com mail-dbbpr03cu00102.inbound.protection.outlook.com mail-du0pr03cu00100.inbound.protection.outlook.com mail-am8pr83cu00106.inbound.protection.outlook.com mail-am6pr04cu00306.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	46.30.215.61

🔷 AAAA Records (IPv6)1 records 51ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:5:10e:80eb:926a:c840:628	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 77ms

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

📝 TXT Records4 records 186ms

TXT Record
google-site-verification=9fIpJudX0rZGOffo69QPCbA_qjeJcz30LydLs3Crk5Q
MS=ms24971439
P-Xu8m2ShA49
v=spf1 include:spf.protection.outlook.com include:mailgun.org include:spf.mandrillapp.com include:_custspf.one.com include:spfa.mailendo.com -all

✉️ SPF

Policy	Record (krestonsr.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:mailgun.org include:spf.mandrillapp.com include:_custspf.one.com include:spfa.mailendo.com -all

📨 DMARC

Policy	Record (_dmarc.krestonsr.dk)
p=none (monitor only)	v=DMARC1;p=none;

📬 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)

🔐 DNSSEC76ms

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

🏷️ SOA0ms

Field	Value
Serial	2026070302
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

46ms

A

49ms

MX

55ms

AAAA

51ms

TXT

186ms

CAA

44ms

HTTPS

51ms

TLSA

310ms

SOA

0ms

MTA-STS

75ms

DNSSEC

76ms

SRV

77ms

Total

916ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 07:58:49	916ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-03 14:37:44	3144ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-28 00:10:12	1578ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-27 08:36:04	1331ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-25 20:19:51	7335ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-23 15:55:46	1223ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-22 13:45:29	887ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-22 08:35:00	1181ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-17 14:19:11	1772ms	2 NS 1 A 1 MX	🔒 Secure	View