flemmingkrogh.dk DNS records

🖥️ Nameservers2 records 40ms

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 34ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
193.8.37.83	3600s	—	AS3308	Norlys Telco A/S	193.8.36.0/23	🇩🇰 Denmark	Ølstykke

📧 MX Records1 records 46ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	flemmingkrogh-dk.mail.protection.outlook.com	2a01:111:f403:ca04::6 2a01:111:f403:ca09::8 2a01:111:f403:ca09::d 2a01:111:f403:ca09::e 52.101.68.10 52.101.68.12 52.101.68.25 52.101.68.36	mail-db4pr02cu00406.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-as9pr05cu01305.inbound.protection.outlook.com mail-am7pr05cu00206.inbound.protection.outlook.com mail-dbbpr03cu00102.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-db8pr02cu00101.inbound.protection.outlook.com mail-db5pr02cu00104.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 → 40.104.116.8

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 109ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	0	1	5061	sipfed.online.lync.com

📝 TXT Records1 records 171ms

TXT Record
v=spf1 ip4:83.136.90.61 ip4:83.136.90.8 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (flemmingkrogh.dk)
-all (hard fail)	v=spf1 ip4:83.136.90.61 ip4:83.136.90.8 include:spf.protection.outlook.com -all

📨 DMARC

Policy	Record (_dmarc.flemmingkrogh.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:dmarc_agg@vali.email;

📬 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	2026080901
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

40ms

A

34ms

MX

46ms

AAAA

39ms

TXT

171ms

CAA

50ms

HTTPS

30ms

TLSA

940ms

SOA

0ms

MTA-STS

68ms

DNSSEC

76ms

SRV

109ms

Total

2020ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-12 04:57:49	2020ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-14 15:16:10	1049ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-11 16:04:43	1835ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-09 20:21:00	5447ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-23 10:09:05	1920ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-23 06:37:21	1133ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-22 00:46:05	937ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-17 09:30:52	825ms	2 NS 1 A 1 MX	🔒 Secure	View