Rank #8,853Updated November 10, 2026
springerprofessional.de
Client Challenge
Its email security grade is C. Its SSL certificate is issued by Let's Encrypt and is valid for 72 more days.
- Domain age
- —
- Technologies
- —
- Email security
- C
- SSL days left
- 72
DNS records
| Type | Value | TTL |
|---|---|---|
| A | 146.75.116.95 | 54 |
| MX | mxa-002c5801.gslb.pphosted.com 10 | 86400 |
| MX | mxb-002c5801.gslb.pphosted.com 10 | 86400 |
| NS | pdns1.ultradns.net | 86400 |
| NS | pdns2.ultradns.net | 86400 |
| NS | pdns3.ultradns.org | 86400 |
| NS | pdns4.ultradns.org | 86400 |
| NS | pdns5.ultradns.info | 86400 |
| NS | pdns6.ultradns.co.uk | 86400 |
| TXT | MS=ms94430714 | 86400 |
| TXT | Hello GlobalSign CEOS1602043687 | 86400 |
| TXT | google-site-verification=vKuPbQTI-3gTFP1D4d8STP7K3T4GriZ8GED8QqsPPiU | 86400 |
| TXT | v=spf1 ip4:195.128.10.18/32 ip4:195.128.10.15/32 ip4:66.159.232.113/32 ip4:66.159.234.15/32 include:spf.mandrillapp.com include:sparkpostmail.com include:spf-002c5801.pphosted.com -all | 86400 |
SSL certificate
| Valid | Valid |
|---|---|
| Issuer | US, YR2, Let's Encrypt |
| Expires | January 22, 2027 |
| Days remaining | 72 |
| Protocol | TLSv1.3 |
| Names | springerprofessional.de |
Email security
CScore 78/100 across SPF, DMARC, DKIM, MTA-STS and BIMI.
- warnSubdomains use a weaker policy (sp=none) than the main domain (p=reject).
- warnDKIM key found (selector: mandrill) but it is only 1024 bits; 2048 is recommended.
- warnNo MTA-STS: mail sent to you can be downgraded to an unencrypted connection.
- warnNo TLS-RPT record, so you won't hear about failed encrypted deliveries.
- warnNo BIMI record (optional: shows your logo next to your emails in supporting inboxes).
- goodSPF record found.
- goodSPF ends with -all: servers you have not listed are rejected (hard fail).
- goodDMARC policy is reject: mail that fails authentication is blocked.
- goodDMARC aggregate reports are sent to mailto:[email protected].
- good2 MX record(s) found. Mail is handled by Proofpoint.
Homepage metadata
| Title | Client Challenge |
|---|---|
| Language | en |
| Indexable | Yes |
| Word count | 36 |
About springerprofessional.de
Does springerprofessional.de protect its email with SPF and DMARC?
springerprofessional.de scores 78/100 (grade C) for email security. Subdomains use a weaker policy (sp=none) than the main domain (p=reject). DKIM key found (selector: mandrill) but it is only 1024 bits; 2048 is recommended.
What are the name servers of springerprofessional.de?
springerprofessional.de uses pdns1.ultradns.net, pdns2.ultradns.net, pdns3.ultradns.org, pdns4.ultradns.org, pdns5.ultradns.info, pdns6.ultradns.co.uk.