Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
santander.us
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-27 07:26:18 UTC · ↺ Refresh
MX Hostnames
- mx1.santandergroup.c3s2.iphmx.com
- mx2.santandergroup.c3s2.iphmx.com
- mx1.hc5532-55.iphmx.com
- mx2.hc5532-55.iphmx.com
MX Priorities
- mx1.hc5532-55.iphmx.com: 5
- mx2.hc5532-55.iphmx.com: 5
- mx1.santandergroup.c3s2.iphmx.com: 90
- mx2.santandergroup.c3s2.iphmx.com: 90
A / AAAA Records
- 170.169.99.183
Mail Server IPs
- 216.71.155.75 ↩ esa.hc5532-55.iphmx.com
- 216.71.150.231 ↩ esa.hc5532-55.iphmx.com
- 68.232.159.227 ↩ esa5.santandergroup.c3s2.iphmx.com
- 68.232.159.200 ↩ esa3.santandergroup.c3s2.iphmx.com
- 68.232.156.182 ↩ esa4.santandergroup.c3s2.iphmx.com
- 216.71.158.118 ↩ esa12.santandergroup.c3s2.iphmx.com
- 216.71.158.146 ↩ esa20.santandergroup.c3s2.iphmx.com
- 216.71.156.27 ↩ esa15.santandergroup.c3s2.iphmx.com
- 68.232.159.230 ↩ esa7.santandergroup.c3s2.iphmx.com
- 216.71.157.86 ↩ esa19.santandergroup.c3s2.iphmx.com
- 68.232.159.241
- 216.71.158.138
- 216.71.157.85
- 216.71.156.21
- 68.232.156.201
- 68.232.156.198
- 68.232.159.238
- 216.71.158.145
- 68.232.156.193
- 216.71.157.105
- 216.71.158.121
- 216.71.158.156
SOA Record
Raw SOA
use1.akam.net telecom_bau.produban.com.mx 2518 1800 900 604800 600
Primary NS (mname)
use1.akam.net
Admin Email (rname)
telecom_bau@produban.com.mx
Serial
2518
Refresh
1800s
Retry
900s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
use4.akam.net
usw2.akam.net
ns1-104.akam.net
use1.akam.net
eur5.akam.net
asia2.akam.net
usw1.akam.net
ns1-115.akam.net
SPF Record
✓ Strict (-all)
v=spf1 include:spf-ipsi.santander.us include:_spf.salesforce.com include:spf.smtp2go.com include:spf.usa.net include:spf.protection.outlook.com include:spf1.email-messaging.com ip4:168.245.59.135 ip4:168.245.32.63 ip4:167.89.11.244 ip4:38.94.172.6 ip4:38.94.172.2 ip4:8.41.208.2 exists:%{i}.spf.hc5532-55.iphmx.com exists:%{i}.spf.santandergroup.c3s2.iphmx.com exists:%{i}.spf.santandergroup-out.c3s2.iphmx.com -all
📊 DNS lookups: 9/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; fo=1; pct=100; ri=3600; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected],mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
20 records- MS=ms16915155
- atlassian-domain-verification=TFnmCsLwUj4y/ta3Let8OTUy/LAA0o444LEq1oIvcfzM1/BSJ5jdeeKEkTIkTy/x
- canva-site-verification=iSMvbNQpfAG_ISsg98-p2Q
- adobe-idp-site-verification=50935fffec5a7d86b33deb30987909479eb504502ef8be93f8ac75743b3e1f17
- google-site-verification=Xh1Cl_n2-jsSeLF6aiDsq22-7PeLJykKF3uCaEiNwWI
- SPFv=spf1 include:spf-ipsi.santander.us include:_spf.salesforce.com include:spf.smtp2go.com include:spf.usa.net include:spf.protection.outlook.com include:spf1.email-messaging.com ip4:168.245.59.135 ip4:168.245.32.63 ip4:167.89.11.244 ip4:38.94.172.6 ip4:38.94.172.2 ip4:8.41.208.2 exists:%{i}.spf.hc5532-55.iphmx.com exists:%{i}.spf.santandergroup.c3s2.iphmx.com exists:%{i}.spf.santandergroup-out.c3s2.iphmx.com -all
- SFMC-fJPolT4TEiNHVWMcD5RsdnubuNed8FMDl_u1oJQV
- Dynatrace-site-verification=2a2dc90f-6cd2-4d95-828e-723d2400e3df__eoeoi1osv97auc2n9fgvpvvg05
- atlassian-domain-verification=tsXfopsd9WAe5cfL1rqqdQD/wucWlQvj3974Sm4/FDW6hv5K4l3wICuazbQAkj1a
- Dynatrace-site-verification=63dd2914-e78c-4fd3-b8cb-159ec4ee30e4__8mc65us7hjq6866h29j06ll26p
- cisco-ci-domain-verification=5b407dacee15064b10a78926c796d60ec3821f38f7fdc7072f3140d8fd379c63
- docusign=cb33c3a0-ab75-4811-b0b4-503c5bba952c
- docusign=8c8a887f-d668-4774-99d6-57733982a9e6
- uber-domain-verification=38b6ef80-077c-40f4-99f2-8e3abccb9da4
- Dynatrace-site-verification=7d28e632-f17d-4f77-a143-7a68ff9729f4__is6p492mpreeu12e5s8fg0bj10
- Dynatrace-site-verification=16d31f44-e24f-49ac-b672-38ba2cfcc2a0__6iqoforeh3aph446ps69l3lfbn
- apple-domain-verification=rFEie1F5dILPjWbu
- pv6Y6MS4vGJFM2L0BNU12cclrRX1DPFq3xLIOUMOgC1Geuu2xCu7fSaKXaAjQezumJwYFYohze9nmScO85FUCA==
- 1734589b-a2d4-4c19-8016-9164d8897570
- SRjKEObkbmJOL4AhUIjrRmWOeX6PPFBRgAhqDLjYGi0Fk8M0qAZzZcjDZ+jKaBJRb/uKYHe1b5XXpFTQQy84+Q==
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