DNS Records
| Type | TTL | Extra |
|---|---|---|
| A | 60 | IP : 52.19.160.36 |
| A | 60 | IP : 54.77.209.188 |
| A | 60 | IP : 52.213.220.8 |
| NS | 86400 | TARGET : pdns85.ultradns.net |
| NS | 86400 | TARGET : pdns85.ultradns.org |
| NS | 86400 | TARGET : pdns85.ultradns.biz |
| NS | 86400 | TARGET : pdns85.ultradns.com |
| SOA | 600 | MNAME : pdns85.ultradns.com RNAME : hostmaster.mheducation.com SERIAL : 2014120635 REFRESH : 14400 RETRY : 7200 EXPIRE : 2592000 MINIMUM-TTL : 300 |
| MX | 600 | PRI : 20 TARGET : corp148mr4.mcgraw-hill.com |
| MX | 600 | PRI : 20 TARGET : nj12corpmr02.mcgraw-hill.com |
| MX | 600 | PRI : 20 TARGET : corp148mr6.mcgraw-hill.com |
| MX | 600 | PRI : 20 TARGET : corp148mr3.mcgraw-hill.com |
| MX | 600 | PRI : 20 TARGET : nj12corpmr01.mcgraw-hill.com |
| TXT | 600 | TXT : v=spf1 ip4:205.142.53.0/24 ip4:198.45.18.0/23 ip4:198.45.26.0/24 ip4:198.45.24.39/32 ip4:12.26.55.0/24 ip4:192.243.80.160/28 ip4:192.243.88.160/28 ip4:204.8.133.5 ip4:20.157.64.168/32 ip4:192.243.87.2/32 ip4:192.243.86.2/32 include:spf.protection.outlook.com -all |
| TXT | 600 | TXT : google-site-verification=wBrmV1CnsSKXaAct-E5Q871DX_7TmmZbsE_RYBXeSjU |







