Mail domain report: thaiairways.com

SPF

pass

SPF record published

Found

Record: v=spf1 ip4:202.122.131.0/24 ip4:82.150.225.79 ip4:171.17.133.140 ip4:20.24.29.209 ip4:119.63.67.48 ip4:58.8.213.167 ip4:212.80.212.232 ip4:52.221.61.203 ip4:52.76.237.216 ip4:13.250.156.70 ip4:54.251.31.60 ip4:52.76.4.17 ip4:54.230.194.41 ip4:171.17.160.22 ip4:171.17.160.38 ip4:172.31.0.0/16 ip4:52.220.230.106 ip4:54.151.159.144 ip4:54.151.134.38 ip4:43.209.106.64 ip4:35.174.145.124 ip4:3.214.204.181 ip4:52.212.19.177 ip4:52.17.62.50 ip4:15.222.110.90 ip4:52.60.189.48 ip4:13.211.69.231 ip4:3.105.224.60 ip4:3.109.187.96 ip4:43.204.62.184 ip4:43.205.150.240/28 ip4:3.29.194.128/27 ip4:13.42.61.32/27 ip4:15.200.44.18 ip4:96.127.72.218 ip4:3.40.131.0/28 ip4:18.96.162.64/26 ip4:44.211.178.96/27 ip4:3.101.216.128/27 ip4:3.252.108.160/27 ip4:13.39.103.0/27 ip4:3.99.253.64/27 ip4:3.27.51.160/27 ip4:18.143.136.64/27 ip4:18.97.17.224/28 ip4:18.99.4.64/28 ip4:18.98.196.176/28 ip4:18.96.227.0/28 ip4:3.41.0.160/28 ip4:3.44.1.224/28 include:_spf.qualtrics.com include:spf.protection.outlook.com include:spf.salesforce.com include:_spf.one.th include:_spf.mailgun.org include:smtp-thaiairways-com.txmsv.com -all
DNS lookups: 9 of 10
Void lookups: 0 of 2

Checks

✓ No deprecated ptr mechanism #1

No ptr mechanism found in SPF record.
✓ 9 of 10 DNS lookups #2

SPF record needs 9 DNS lookups (limit is 10).
✓ Ends with -all #3

SPF record properly uses -all to restrict unauthorized senders.
✓ Record published #6

SPF record exists for this domain.
✓ Single record #16

Exactly one SPF record is published.
✓ Valid syntax #25

All SPF mechanisms and modifiers are valid.
✓ No void lookups #26

All include/redirect targets exist.
✓ No overly broad IP ranges #27

All ip4/ip6 ranges are narrow enough.

DMARC

warn

p=reject (_dmarc.thaiairways.com)

Found

Record: v=DMARC1; p=reject; adkim=r; aspf=r; sp=reject
Found at: _dmarc.thaiairways.com

Tag	Value	Meaning
v	DMARC1	Version
p	reject	Policy
sp	reject	Subdomain policy
adkim	r	DKIM alignment (r = relaxed, s = strict)
aspf	r	SPF alignment (r = relaxed, s = strict)

Checks

✓ Policy: reject #4

DMARC policy is set to 'reject', which provides the strongest protection against email spoofing.
✓ Record published #5

DMARC record exists for this domain.
✓ Valid syntax #17

DMARC record syntax is valid.
✓ Applies to 100% of mail #18

DMARC policy applies to all failing mail.
!

No aggregate reports (rua)

DMARC record has no rua tag, so you receive no aggregate reports about who sends mail as your domain. Add rua=mailto:...

#19
✓ Subdomain policy: reject #20

Subdomains are covered by policy 'reject'.

DKIM

warn

Selectors: default, selector1

Found

Selectors: default, selector1
_domainkey: NOERROR

Selector	Key	Flags
default	RSA 1024 bits
selector1	RSA 2048 bits

Checks

✓ Keys found: default, selector1 #7

DKIM keys found for this domain with selectors: default, selector1
!

1024-bit DKIM key

1024-bit RSA keys are the minimum and are considered weak today: default (1024 bits). Rotate to a 2048-bit key.

#23
✓ No problematic flags #24

No keys in test mode, revoked, or limited to SHA-1.

DNSSEC

warn

Not signed

Found

DNSKEY records: No (0)
DS at parent: No

Checks

!

Not enabled

DNSSEC is not enabled for this domain. Consider enabling DNSSEC to protect against DNS spoofing attacks.

#8

MX

warn

1 mail server

Found

Priority	Host	Records	Reverse DNS
0	thaiairways-com.mail.protection.outlook.com	A 52.101.157.80 A 52.101.124.117 A 52.101.137.2 A 52.101.137.0 AAAA 2a01:111:f403:cc09:: AAAA 2a01:111:f403:cc1a::8 AAAA 2a01:111:f403:cc09::1 AAAA 2a01:111:f403:cc1f::4	mail-os8pr02cu00100.inbound.protection.outlook.com ✓ mail-tydpr03cu00105.inbound.protection.outlook.com ✓ no PTR mail-sg2pr03cu00500.inbound.protection.outlook.com ✓ mail-sg2pr03cu00500.inbound.protection.outlook.com ✓ mail-tydpr03cu00100.inbound.protection.outlook.com ✓ no PTR mail-os8pr02cu00104.inbound.protection.outlook.com ✓

Checks

✓ 1 MX record #9

Found 1 MX records for this domain.
✓ All hosts resolve #10

All MX records resolve to valid IP addresses.
✓ All hosts have IPv6 #11

All MX records resolve to IPv6 addresses.
!

Single MX host, no backup

Only one MX record found. For better email reliability, consider adding at least one backup MX server.

#12
✓ At most 5 MX records #13

Found 1 MX records, which is within the recommended range (1-5).
✓ No localhost targets #14

No MX records pointing to localhost found.
✓ No private IP addresses #15

No MX records resolving to private IP addresses found.
✓ No CNAME targets #22

No MX records point to a CNAME.
!

Addresses without reverse DNS

These MX addresses have no PTR record, which many receivers treat as a spam signal: 52.101.137.2 (thaiairways-com.mail.protection.outlook.com), 2a01:111:f403:cc09::1 (thaiairways-com.mail.protection.outlook.com). Ask your hosting provider to set one.

#30

TLS

warn

no MTA-STS · no TLS-RPT · DANE on 0 of 1 MX hosts

Found

DANE (TLSA records)

MX host	TLSA	DNSSEC
thaiairways-com.mail.protection.outlook.com	none	-

Checks

!

Not configured

MTA-STS is not configured, so other mail servers fall back to unencrypted delivery when TLS fails or is stripped by an attacker. Publish a _mta-sts TXT record and a policy at https://mta-sts.<domain>/.well-known/mta-sts.txt.

#32
i

Not configured

TLS-RPT lets senders report TLS delivery problems to you. It is most useful together with MTA-STS or DANE.

#35
i

Not used

No MX host publishes TLSA records. DANE lets senders verify your mail server's certificate through DNSSEC; it requires DNSSEC on the MX host's zone.

#36

BIMI

info

No BIMI record

Checks

i

Not configured

BIMI shows your logo next to your mail in supporting mail clients. It requires DMARC enforcement.

#38