remain.dk DNS records

🖥️ Nameservers3 records 71ms

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 Records1 records 74ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
76.76.21.21	3600s	—	AS16509	Amazon.com, Inc.	76.76.21.0/24	🇺🇸 United States	Walnut

📧 MX Records1 records 50ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mx.simply.com	94.231.106.20	mx.simply.com	AS48854 team.blue Denmark A/S

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	76.76.21.21
🔶 Autoconfig	maildiscover.simply.com → 94.231.108.222

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 81ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	10	10	443	maildiscover.simply.com

📝 TXT Records1 records 199ms

TXT Record
v=spf1 include:spf.simply.com -all

✉️ SPF

Policy	Record (remain.dk)
-all (hard fail)	v=spf1 include:spf.simply.com -all

📨 DMARC

Policy	Record (_dmarc.remain.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:dmarc@robot.simply.com; ruf=mailto:dmarc@robot.simply.com;

📬 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 / DANE2 records 55ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx.simply.com	DANE-EE · SPKI · SHA-256	A9D603AF4D7ED6B9246B4B68500CD6F2…
SMTP _25._tcp.mx.simply.com	DANE-EE · SPKI · SHA-256	97A3BA009F39C761BFFB6574340E8138…

🔐 DNSSEC147ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✓ Found
Flags	unsigned answer

🏷️ SOA0ms

Field	Value
Serial	2026081004
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

71ms

A

74ms

MX

50ms

AAAA

60ms

TXT

199ms

CAA

61ms

HTTPS

65ms

TLSA

55ms

SOA

0ms

MTA-STS

113ms

DNSSEC

147ms

SRV

81ms

Total

650ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-28 07:17:23	650ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-08-11 19:40:24	3092ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-08-08 22:56:46	784ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-08-07 11:30:39	979ms	2 NS 0 A 0 MX	❓ Unknown	View
2026-08-06 03:00:13	1444ms	2 NS 0 A 0 MX	❓ Unknown	View
2026-07-28 05:25:04	10177ms	2 NS 0 A 0 MX	❓ Unknown	View
2026-07-27 04:42:43	8666ms	2 NS 0 A 0 MX	❓ Unknown	View
2026-07-26 04:19:39	901ms	2 NS 0 A 0 MX	❓ Unknown	View
2026-07-25 03:50:55	16718ms	2 NS 0 A 0 MX	❓ Unknown	View
2026-07-24 02:09:17	10065ms	2 NS 0 A 0 MX	❓ Unknown	View
2026-07-23 00:54:13	958ms	2 NS 0 A 0 MX	❓ Unknown	View
2026-07-21 06:20:50	1481ms	2 NS 0 A 0 MX	❓ Unknown	View
2026-07-20 04:52:39	1028ms	2 NS 0 A 0 MX	❓ Unknown	View
2026-07-18 20:41:36	10021ms	2 NS 0 A 0 MX	❓ Unknown	View
2026-07-17 20:15:14	1055ms	2 NS 0 A 0 MX	❓ Unknown	View
2026-07-16 10:10:33	1398ms	2 NS 0 A 0 MX	❓ Unknown	View
2026-07-13 23:19:26	27265ms	2 NS 0 A 0 MX	❓ Unknown	View
2026-07-12 15:39:07	1032ms	2 NS 0 A 0 MX	❓ Unknown	View
2026-07-08 21:41:49	1129ms	2 NS 0 A 0 MX	❓ Unknown	View
2026-07-07 01:52:50	1007ms	2 NS 0 A 0 MX	❓ Unknown	View
2026-07-04 20:55:05	5332ms	2 NS 0 A 0 MX	❓ Unknown	View
2026-07-02 22:05:39	2471ms	2 NS 0 A 0 MX	❓ Unknown	View
2026-06-24 11:48:39	2707ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-21 20:05:00	3307ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-21 14:22:39	1273ms	0 NS 0 A 0 MX	❓ Unknown	View