| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns01.online4u.no | 185.243.217.70 | ns01.online4u.no | AS56655 Gigahost AS |
| ns02.online4u.no | 64.28.8.34 | ns02.online4u.no | AS2116 Globalconnect As |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 64.28.8.35 | 3600s | 35.32-47.8.28.64.in-addr.arpa ww01.online4u.no |
AS2116 | Globalconnect As | 64.28.0.0/19 | 🇳🇴 Norway | Oslo |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 3600s | . Null MX — domain accepts no email (RFC 7505) | |||
| TXT Record |
|---|
| v=spf1 -all |
| Policy | Record (nordicbioenvision.dk) |
|---|---|
| -all (hard fail) | v=spf1 -all |
| Policy | Record (_dmarc.nordicbioenvision.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; |
| 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 | 2021120201 |
| Primary NS (MNAME) | ns01.online4u.no |
| Responsible (RNAME) | hostmaster@online4u.no |
| Refresh | 900s |
| Retry | 600s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 3600s |