| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns1.reedelsevier.com | 138.12.4.5 | ns1.reedelsevier.com | AS32472 RELX inc. |
| ns2.reedelsevier.com | 198.176.82.118 | — | AS59724 Elsevier Limited |
| ns3.reedelsevier.com | 198.176.84.118 | — | AS133782 Elsevier Ltd |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 138.12.4.23 | 3598s | marquiswhoswho.com | AS32472 | RELX inc. | 138.12.0.0/17 | 🇺🇸 United States | Boca Raton |
| TXT Record |
|---|
| v=spf1 -all |
| Policy | Record (lexisnexis.dk) |
|---|---|
| -all (hard fail) | v=spf1 -all |
| Policy | Record (_dmarc.lexisnexis.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; fo=1; ri=3600; rua=mailto:reed-elsevier@rua.agari.com; ruf=mailto:reed-elsevier@ruf.agari.com |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 84 |
| Primary NS (MNAME) | ns1.reedelsevier.com |
| Responsible (RNAME) | hostmaster@lexisnexis.com |
| Refresh | 3600s |
| Retry | 900s |
| Expire | 2419200s |
| Minimum (neg-cache TTL) | 900s |
| Scanned At | Duration | Records | DNSSEC | |
|---|---|---|---|---|
| 2026-08-27 15:26:40 | 16266ms | 3 NS 1 A 0 MX | 🔓 Insecure | View |
| 2026-08-15 07:25:52 | 3777ms | 3 NS 1 A 0 MX | 🔓 Insecure | View |
| 2026-07-26 18:07:53 | 23439ms | 3 NS 1 A 0 MX | 🔓 Insecure | View |
| 2026-07-19 21:49:23 | 29048ms | 3 NS 1 A 0 MX | 🔓 Insecure | View |
| 2026-06-18 02:51:33 | 4025ms | 3 NS 1 A 0 MX | 🔓 Insecure | View |