DNS Database information for mail.irs.gov


Date

IPv4

IPv6

MX and NS

Latest
mail.office365.com.

outlook.office365.com.

ooc-g2.tm-4.office.com.

outlook.ms-acdc.office.com.

sjc-efz.ms-acdc.office.com.

52.96.187.226
52.96.42.82
52.96.166.194
52.96.70.130
mail.office365.com.
outlook.office365.com.
ooc-g2.tm-4.office.com.
outlook.ms-acdc.office.com.
sjc-efz.ms-acdc.office.com.
2603:1036:307:48e0::2
2603:1036:307:48dd::2
2603:1036:307:491c::2
2603:1036:307:4000::2


2023-09-24

mail.office365.com.

outlook.office365.com.

ooc-g2.tm-4.office.com.

outlook.ms-acdc.office.com.

cpq-efz.ms-acdc.office.com.

52.97.33.114
52.97.34.130
52.97.12.98
52.97.33.130
mail.office365.com.
outlook.office365.com.
ooc-g2.tm-4.office.com.
outlook.ms-acdc.office.com.
cpq-efz.ms-acdc.office.com.
2603:1056:c03:1803::2
2603:1056:c03:1c38::2
2603:1056:c03:1801::2
2603:1056:c03:1802::2

2023-07-02

mail.office365.com.
outlook.office365.com.
outlook.ha.office365.com.
outlook.ms-acdc.office.com.
syd-efz.ms-acdc.office.com.
52.98.143.194
40.100.145.162
52.98.143.2
52.98.2.2
mail.office365.com.
outlook.office365.com.
outlook.ha.office365.com.
outlook.ms-acdc.office.com.
syd-efz.ms-acdc.office.com.
2603:1016:401:2800::2
2603:1016:401:2c0b::2
2603:1016:401:100d::2
2603:1016:401:1080::2

2022-09-20

mail.office365.com.
outlook.office365.com.
outlook.ha.office365.com.
outlook.ms-acdc.office.com.
xsp-efz.ms-acdc.office.com.
52.98.90.178
52.98.66.98
52.98.77.114
52.98.33.130
mail.office365.com.
outlook.office365.com.
outlook.ha.office365.com.
outlook.ms-acdc.office.com.
xsp-efz.ms-acdc.office.com.
2603:1046:c01:814::2
2603:1046:c01:800::2
2603:1046:c01:8d0::2
2603:1046:c01:840::2

2022-06-14

mail.office365.com.
outlook.office365.com.
outlook.ha.office365.com.
outlook.ms-acdc.office.com.
mnz-efz.ms-acdc.office.com.
52.96.109.146
52.96.181.34
52.96.19.82
52.96.33.82
mail.office365.com.
outlook.office365.com.
outlook.ha.office365.com.
outlook.ms-acdc.office.com.
mnz-efz.ms-acdc.office.com.
2603:1036:302:4843::2
2603:1036:302:4830::2
2603:1036:302:40d7::2
2603:1036:302:4831::2

2021-12-30

mail.office365.com.
outlook.office365.com.
outlook.ha.office365.com.
outlook.ms-acdc.office.com.
lhr-efz.ms-acdc.office.com.
52.97.219.226
52.97.219.242
52.98.145.114
52.97.208.50
mail.office365.com.
outlook.office365.com.
outlook.ha.office365.com.
outlook.ms-acdc.office.com.
lhr-efz.ms-acdc.office.com.
2603:1026:c06:1462::2
2603:1026:c06:1c::2
2603:1026:c06:1406::2
2603:1026:c06:1411::2

2021-11-18

mail.office365.com.
outlook.office365.com.
outlook.ms-acdc.office.com.
xsp-efz.ms-acdc.office.com.
52.98.65.178
52.98.66.98
40.100.29.194
40.100.29.226
mail.office365.com.
outlook.office365.com.
outlook.ms-acdc.office.com.
xsp-efz.ms-acdc.office.com.
2603:1046:c01:908::2
2603:1046:c01:8bc::2
2603:1046:c01:8ac::2
2603:1046:c01:909::2

2021-11-09

mail.office365.com.
outlook.office365.com.
outlook.ha.office365.com.
outlook.ms-acdc.office.com.
hnd-efz.ms-acdc.office.com.
52.98.68.2
52.98.66.210
52.98.41.130
52.98.64.18
mail.office365.com.
outlook.office365.com.
outlook.ha.office365.com.
outlook.ms-acdc.office.com.
hnd-efz.ms-acdc.office.com.
2603:1046:c09:11::2
2603:1046:c09:1072::2
2603:1046:c09:13::2
2603:1046:c09:1120::2


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