mayday-rescue.dk DNS records

🖥️ Nameservers2 records 35ms

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 23ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
144.91.97.254	600s	mail.justworks.dk	AS51167	Contabo GmbH	144.91.64.0/18	🇫🇷 France	Lauterbourg

📧 MX Records1 records 27ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	600s	maydayrescue-dk01e.mail.protection.outlook.com	2a01:111:f403:ca04::2 2a01:111:f403:ca04::6 2a01:111:f403:ca09:: 2a01:111:f403:ca09::c 52.101.103.137 52.101.103.143 52.101.68.3 52.101.73.24	mail-du2pr03cu00102.inbound.protection.outlook.com mail-db4pr02cu00406.inbound.protection.outlook.com mail-am3pr04cu00500.inbound.protection.outlook.com mail-as8pr05cu00304.inbound.protection.outlook.com mail-miypr02cu00101.inbound.protection.outlook.com mail-miypr03cu00107.inbound.protection.outlook.com mail-db7pr03cu00403.inbound.protection.outlook.com mail-as8pr05cu00300.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 → 40.104.116.24

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records2 records 110ms

TXT Record
MS=ms23431510
v=spf1 a ip4:95.128.27.10 ip4:95.128.27.9 include:spf.protection.outlook.com include:_spf_cd.spamtitan.com -all

✉️ SPF

Policy	Record (mayday-rescue.dk)
-all (hard fail)	v=spf1 a ip4:95.128.27.10 ip4:95.128.27.9 include:spf.protection.outlook.com include:_spf_cd.spamtitan.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)

🔐 DNSSEC106ms

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

🏷️ SOA0ms

Field	Value
Serial	2026082505
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

35ms

A

23ms

MX

27ms

AAAA

38ms

TXT

110ms

CAA

29ms

HTTPS

29ms

TLSA

762ms

SOA

0ms

MTA-STS

41ms

DNSSEC

106ms

SRV

45ms

Total

1283ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-25 22:53:10	1283ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-10 09:03:19	5625ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-27 05:21:53	1688ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-22 18:46:43	1352ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-22 00:39:46	1173ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-17 13:29:22	4129ms	2 NS 1 A 1 MX	🔒 Secure	View