revvo.dk DNS records

🖥️ Nameservers3 records 61ms

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 41ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
216.150.1.1	1745s	—	AS16509	Amazon.com, Inc.	216.150.1.0/24	🇺🇸 United States	—

📧 MX Records2 records 71ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	1745s	mx.simply.com	94.231.106.20	mx.simply.com	AS48854 team.blue Denmark A/S
10	1745s	mx1.mymangomail.com	54.176.194.88	smtp.mymangomail.com	AS16509 Amazon.com, Inc.

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	autodiscover.mymangomail.com → 54.176.194.88
🔶 Autoconfig	autoconfig.mymangomail.com → 54.176.194.88

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 122ms

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

📝 TXT Records4 records 171ms

TXT Record
firebase=koereapp
mail-host-verify=184e8bf
v=spf1 include:_spf.firebasemail.com ~all
v=spf1 include:spf.mymangomail.com -all

✉️ SPF

⚠ Multiple SPF records — RFC 7208 §4.5 violation (receivers must treat this as permerror)

Policy	Record (revvo.dk)
~all (soft fail)	v=spf1 include:_spf.firebasemail.com ~all
-all (hard fail)	v=spf1 include:spf.mymangomail.com -all

📨 DMARC

Policy	Record (_dmarc.revvo.dk)
p=none (monitor only)	v=DMARC1; p=none;
p=quarantine	v=DMARC1; p=quarantine;

📬 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 132ms

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…

🔐 DNSSEC157ms

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

🏷️ SOA0ms

Field	Value
Serial	2025101801
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

61ms

A

41ms

MX

71ms

AAAA

81ms

TXT

171ms

CAA

69ms

HTTPS

71ms

TLSA

132ms

SOA

0ms

MTA-STS

96ms

DNSSEC

157ms

SRV

122ms

Total

1019ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 10:18:29	1019ms	3 NS 1 A 2 MX	🔒 Secure	View
2026-07-01 05:16:48	711ms	3 NS 1 A 2 MX	🔒 Secure	View
2026-06-22 03:39:22	631ms	3 NS 1 A 2 MX	🔒 Secure	View
2026-06-21 09:14:51	554ms	3 NS 1 A 2 MX	⚠️ Bogus	View
2026-06-18 07:57:34	815ms	3 NS 1 A 2 MX	🔒 Secure	View