bywho.dk DNS records

🖥️ Nameservers4 records 38ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.simply.com	2a02:2339:1:15c::4562:4562 91.197.248.78	ns1.simply.com ns1.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.simply.com	185.25.141.15 2a02:2339:4006:101::4562:4562	ns2.simply.com ns2.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns3.simply.com	91.197.248.79	ns3.simply.com	AS48854 team.blue Denmark A/S
ns4.simply.com	91.197.248.80	ns4.simply.com	AS48854 team.blue Denmark A/S

🌍 A Records1 records 39ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
212.112.144.77	600s	212-112-144-77.norlyscustomer.net	AS39642	Sinal A/S	212.112.128.0/19	🇩🇰 Denmark	Esbjerg

📧 MX Records1 records 26ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	600s	bywho-dk.mail.protection.outlook.com	2a01:111:f403:ca04::2 2a01:111:f403:ca09::20 2a01:111:f403:ca09::8 2a01:111:f403:ca09::c 52.101.68.12 52.101.68.8 52.101.73.1 52.101.73.19	mail-du2pr03cu00102.inbound.protection.outlook.com mail-as8pr05cu00400.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-as8pr05cu00304.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-du0pr03cu00100.inbound.protection.outlook.com mail-am3pr04cu00501.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 → 52.98.149.152

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records3 records 85ms

TXT Record
google-site-verification=Y1WAQuKUWLM5xuSmZqlWRK0Fw6D33HlLK5X_7tqUUMs
MS=ms91382929
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (bywho.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)

🔐 DNSSEC145ms

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

🏷️ SOA28ms

Field	Value
Serial	2024012700
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

38ms

A

39ms

MX

26ms

AAAA

51ms

TXT

85ms

CAA

25ms

HTTPS

40ms

TLSA

680ms

SOA

28ms

MTA-STS

35ms

DNSSEC

145ms

SRV

71ms

Total

1312ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-06-26 08:59:48	1312ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-24 03:38:19	1168ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-21 21:32:28	838ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-21 17:35:12	1162ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-19 06:33:12	1547ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-16 18:41:45	1874ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-16 18:34:03	2951ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-16 18:31:06	3936ms	4 NS 1 A 1 MX	🔒 Secure	View