stromberg-fischer.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 43ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
194.63.248.52	3600s	bristol.domeneshop.no	AS12996	Domeneshop AS	194.63.248.0/21	🇳🇴 Norway	—

📧 MX Records1 records 32ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	strombergfischer-dk02c.mail.protection.outlook.com	2a01:111:f403:ca04::2 2a01:111:f403:ca04::9 2a01:111:f403:ca09:: 2a01:111:f403:ca09::2 52.101.73.1 52.101.73.153 52.101.73.19 52.101.73.30	mail-du2pr03cu00102.inbound.protection.outlook.com mail-db7pr03cu00601.inbound.protection.outlook.com mail-am3pr04cu00500.inbound.protection.outlook.com mail-am0pr83cu00402.inbound.protection.outlook.com mail-am3pr04cu00501.inbound.protection.outlook.com mail-as8pr05cu00401.inbound.protection.outlook.com mail-as8pr04cu00803.inbound.protection.outlook.com mail-am7pr05cu00306.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 → 40.104.116.56

🔷 AAAA Records (IPv6)1 records 56ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a01:5b40:0:248::52	3600s	—	AS12996	Domeneshop AS	2a01:5b40:0:0:0:0:0:0/37	🇳🇴 Norway	—

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 66ms

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

📝 TXT Records2 records 160ms

TXT Record
MS=ms58302854
v=spf1 ip4:95.166.236.30 include:spfa.cpmails.com include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (stromberg-fischer.dk)
-all (hard fail)	v=spf1 ip4:95.166.236.30 include:spfa.cpmails.com include:spf.protection.outlook.com -all

📨 DMARC

Policy	Record (_dmarc.stromberg-fischer.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)

🔐 DNSSEC91ms

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

49ms

A

43ms

MX

32ms

AAAA

56ms

TXT

160ms

CAA

44ms

HTTPS

45ms

TLSA

654ms

SOA

0ms

MTA-STS

76ms

DNSSEC

91ms

SRV

66ms

Total

1236ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 06:56:12	1236ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-12 12:13:03	1224ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-07 14:29:52	1739ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-25 04:01:56	1220ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-03 15:43:53	1347ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 13:45:09	3879ms	3 NS 1 A 1 MX	🔒 Secure	View