DNS mail check report: outlook.com

Generated: Fri, 17 Jul 2026 15:06:52 UTC

Summary


Status	ERRORS
Errors	5
Warnings	1
Passed checks	8

Errors to fix

❌ DKIM record missing for selector 'default' at default._domainkey.outlook.com
❌ MX host outlook-com.olc.protection.outlook.com (52.101.68.38) has no PTR (reverse DNS) record
❌ MX host outlook-com.olc.protection.outlook.com (52.101.41.23) has no PTR (reverse DNS) record
❌ MX host outlook-com.olc.protection.outlook.com (52.101.73.31) has no PTR (reverse DNS) record
❌ MX host outlook-com.olc.protection.outlook.com (52.101.73.5) has no PTR (reverse DNS) record

Warnings

⚠️ DMARC policy is p=none (monitor only) — move to quarantine/reject after validation

Authoritative nameservers

Nameserver	IP
ns3-05.azure-dns.org	204.14.183.5
ns4-05.azure-dns.info	208.84.5.5
ns2-05.azure-dns.net	150.171.21.5
ns1-05.azure-dns.com	13.107.236.5

Record consistency across nameservers

Each row shows whether all authoritative NS return the same data.

Record	Consistent	Value (from first NS)
SPF	✓	`v=spf1 include:spf2.outlook.com -all`
DMARC	✓	`v=DMARC1; p=none; sp=quarantine; pct=100; rua=mailto:rua@dmarc.microsoft; ruf=mailto:ruf@dmarc.microsoft; fo=1`
MX	✓	`5 outlook-com.olc.protection.outlook.com.`
DKIM (default) TXT	✓	`(empty)`
DKIM (default) CNAME	✓	`(empty)`

MX host resolution

MX host	A	PTR	FCrdNS
outlook-com.olc.protection.outlook.com	52.101.68.38 52.101.41.23 52.101.73.31 52.101.73.5	(missing)	✗

Per-nameserver records

NS 204.14.183.5

SPF:

v=spf1 include:spf2.outlook.com -all

Other apex TXT (non-SPF):

google-site-verification=u61khn2j2qt8IdrjskRMSZ0p_HaFURXKrSsu-uXKyNA
google-site-verification=0iLWhIMhXEkeWwWfFU4ursTn-_OvoOjaA0Lr7Pg1sEM
google-site-verification=DC2uC-T8kD33lINhNzfo0bNBrw-vrCXs5BPF5BXY56g
_ofl74f250a84g188pro5arwqa23zle2

DMARC:

v=DMARC1; p=none; sp=quarantine; pct=100; rua=mailto:rua@dmarc.microsoft; ruf=mailto:ruf@dmarc.microsoft; fo=1

MX:

5 outlook-com.olc.protection.outlook.com.

DKIM (default):

(empty)

NS 208.84.5.5

SPF:

v=spf1 include:spf2.outlook.com -all

Other apex TXT (non-SPF):

_ofl74f250a84g188pro5arwqa23zle2
google-site-verification=0iLWhIMhXEkeWwWfFU4ursTn-_OvoOjaA0Lr7Pg1sEM
google-site-verification=DC2uC-T8kD33lINhNzfo0bNBrw-vrCXs5BPF5BXY56g
google-site-verification=u61khn2j2qt8IdrjskRMSZ0p_HaFURXKrSsu-uXKyNA

DMARC:

v=DMARC1; p=none; sp=quarantine; pct=100; rua=mailto:rua@dmarc.microsoft; ruf=mailto:ruf@dmarc.microsoft; fo=1

MX:

5 outlook-com.olc.protection.outlook.com.

DKIM (default):

(empty)

NS 150.171.21.5

SPF:

v=spf1 include:spf2.outlook.com -all

Other apex TXT (non-SPF):

google-site-verification=u61khn2j2qt8IdrjskRMSZ0p_HaFURXKrSsu-uXKyNA
google-site-verification=0iLWhIMhXEkeWwWfFU4ursTn-_OvoOjaA0Lr7Pg1sEM
google-site-verification=DC2uC-T8kD33lINhNzfo0bNBrw-vrCXs5BPF5BXY56g
_ofl74f250a84g188pro5arwqa23zle2

DMARC:

v=DMARC1; p=none; sp=quarantine; pct=100; rua=mailto:rua@dmarc.microsoft; ruf=mailto:ruf@dmarc.microsoft; fo=1

MX:

5 outlook-com.olc.protection.outlook.com.

DKIM (default):

(empty)

NS 13.107.236.5

SPF:

v=spf1 include:spf2.outlook.com -all

Other apex TXT (non-SPF):

google-site-verification=u61khn2j2qt8IdrjskRMSZ0p_HaFURXKrSsu-uXKyNA
google-site-verification=0iLWhIMhXEkeWwWfFU4ursTn-_OvoOjaA0Lr7Pg1sEM
google-site-verification=DC2uC-T8kD33lINhNzfo0bNBrw-vrCXs5BPF5BXY56g
_ofl74f250a84g188pro5arwqa23zle2

DMARC:

v=DMARC1; p=none; sp=quarantine; pct=100; rua=mailto:rua@dmarc.microsoft; ruf=mailto:ruf@dmarc.microsoft; fo=1

MX:

5 outlook-com.olc.protection.outlook.com.

DKIM (default):

(empty)

Passed checks

✅ SPF records are consistent across all 4 authoritative nameservers
✅ DMARC records are consistent across all 4 authoritative nameservers
✅ MX records are consistent across all 4 authoritative nameservers
✅ DKIM selector 'default' is consistent across all 4 authoritative nameservers
✅ SPF record present: v=spf1 include:spf2.outlook.com -all
✅ SPF uses strict -all qualifier
✅ DMARC record present: v=DMARC1; p=none; sp=quarantine; pct=100; rua=mailto:rua@dmarc.microsoft; ruf=mailto:ruf@dmarc.microsoft; fo=1
✅ MX records present: 5 outlook-com.olc.protection.outlook.com.

Generated by webdns Mail DNS check