byfrost.dk DNS records

🖥️ Nameservers3 records 48ms

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

🌍 A Records4 records 47ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
198.185.159.144	3600s	—	AS53831	Squarespace, Inc.	198.185.159.0/24	🇺🇸 United States	New York
198.185.159.145	3600s	—	AS53831	Squarespace, Inc.	198.185.159.0/24	🇺🇸 United States	—
198.49.23.144	3600s	—	AS53831	Squarespace, Inc.	198.49.23.0/24	🇺🇸 United States	—
198.49.23.145	3600s	—	AS53831	Squarespace, Inc.	198.49.23.0/24	🇺🇸 United States	—

📧 MX Records1 records 27ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	byfrost-dk.mail.protection.outlook.com	2a01:111:f403:ca04::b 2a01:111:f403:ca09::26 2a01:111:f403:ca09::b 2a01:111:f403:ca09::c 52.101.68.10 52.101.68.16 52.101.68.32 52.101.73.126	mail-dbbpr03cu00103.inbound.protection.outlook.com mail-am8pr83cu00106.inbound.protection.outlook.com mail-am7pr05cu00103.inbound.protection.outlook.com mail-as8pr05cu00304.inbound.protection.outlook.com mail-dbbpr03cu00102.inbound.protection.outlook.com mail-db4pr02cu00400.inbound.protection.outlook.com mail-db3pr0202cu00200.inbound.protection.outlook.com mail-am8pr83cu00106.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
🔶 Autoconfig	93.191.156.249

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records2 records 165ms

TXT Record
MS=ms16475438
v=spf1 include:spf.protection.outlook.com include:squarespace-mail.com include:spf.simply.com -all

✉️ SPF

Policy	Record (byfrost.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:squarespace-mail.com include:spf.simply.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)

🔐 DNSSEC95ms

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

🏷️ SOA0ms

Field	Value
Serial	2025080600
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

48ms

A

47ms

MX

27ms

AAAA

38ms

TXT

165ms

CAA

44ms

HTTPS

52ms

TLSA

406ms

SOA

0ms

MTA-STS

56ms

DNSSEC

95ms

SRV

76ms

Total

1197ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 00:47:08	1197ms	3 NS 4 A 1 MX	🔒 Secure	View
2026-08-26 00:15:16	931ms	3 NS 4 A 1 MX	🔒 Secure	View
2026-07-01 10:38:55	1054ms	3 NS 4 A 1 MX	🔒 Secure	View
2026-06-28 19:20:15	879ms	3 NS 4 A 1 MX	🔒 Secure	View
2026-06-28 01:38:08	1908ms	3 NS 4 A 1 MX	🔒 Secure	View
2026-06-27 02:57:54	813ms	3 NS 4 A 1 MX	🔒 Secure	View
2026-06-21 06:43:33	964ms	3 NS 4 A 1 MX	🔒 Secure	View
2026-06-16 18:10:11	809ms	3 NS 4 A 1 MX	🔒 Secure	View