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Total

DNS

Email

Security

Network

100

Availability

Domainspringer.com

IPv41

IPv60

MX records2

StatusActive

Domain technical report

Client Challenge

springer.com

Generated: 2026-08-08T17:11:46-05:00 · Cached result

JSON CSV PDF Visit site

IPv41

IPv60

MX2

NS6

DiagnosticsMain findings and recommendations

✓

IPv4 (A)30 / 30 pts · Dns

1 IPv4 address(es) detected.

IPv6 (AAAA)0 / 10 pts · Dns

0 IPv6 address(es) detected.

✓

Name server redundancy20 / 20 pts · Dns

6 NS record(s); 2 or more required.

✓

SOA record10 / 10 pts · Dns

Authoritative zone record.

DNSSEC chain0 / 15 pts · Dns

Both DS and DNSKEY are required.

CAA policy0 / 5 pts · Dns

Certificate authority restriction.

DNS propagation0 / 10 pts · Dns

Agreement between public resolvers.

✓

MX records20 / 20 pts · Mail

2 MX record(s).

✓

SPF25 / 25 pts · Mail

SPF policy published.

✓

DMARC25 / 25 pts · Mail

DMARC policy published.

✓

DKIM20 / 20 pts · Mail

A DKIM selector was verified.

MTA-STS0 / 5 pts · Mail

Mail transport policy.

TLS-RPT0 / 5 pts · Mail

TLS reporting policy.

✓

Valid TLS certificate55 / 55 pts · Security

45 day(s) remaining.

✓

Certificate lifetime10 / 10 pts · Security

Full points require at least 30 days remaining.

HTTP security headers16 / 35 pts · Security

4 of 9 evaluated headers detected.

PTR reverse DNS0 / 30 pts · Network

PTR not detected.

IPv4 diversity20 / 35 pts · Network

Two or more IPv4 addresses receive full points.

IPv6 connectivity0 / 35 pts · Network

AAAA availability.

✓

DNS resolution40 / 40 pts · Availability

At least one address family must resolve.

✓

HTTP response40 / 40 pts · Availability

HTTP/2 200

✓

HTTPS final URL20 / 20 pts · Availability

Final URL uses HTTPS.

DNS and emailPublished records and email configuration

A

1 record(s)

146.75.80.95

AAAA

0 record(s)

—

Not configured

CNAME

0 record(s)

—

Not configured

MX

2 record(s)

10 mxb-002c5801.gslb.pphosted.com.
10 mxa-002c5801.gslb.pphosted.com.

TXT

39 record(s)

"mistral-domain-verification=196c74f6fdab912a2a5c714149fe9675f92da7d9"
"lovable_verification=RRjvRYYzlyNRyQgjsp9U"
"zapier-domain-verification-challenge=014e2b0e-979f-447c-9997-bb7b899be9cc"
"google-site-verification=r-mNXFlbTzOLf3U-9CwvQ9y5x-VteDkSgSBxFITB9_w"
"_globalsign-domain-verification=GXpUUS49HB9rYWZEmxJFtZdS61weLMlf91w9Dn-5O0"
"docker-verification=b297e373-6dd2-44f4-9a43-6b7b7bbbd0b0"
"google-site-verification=jUq69goCFXn9Z9QCW5_O1iALBt9LZZ77icdW9TaRtkQ"
"openai-domain-verification=dv-zwKNWCwczk2MoUWFGoVrnsCz"
"elevenlabs=htgkNynt98_WQQxEQOYcFi7dECs35fWsKzt6kJu2Ljk"
"atlassian-domain-verification=8YyRB1dGCFU6FTIcUt18raWzPoKaOFUG7xiFOkac8XcGVOZgEtzvjUqsWaClhXdJ"
"SFMC-MVH07EMhNoUkJaUN2Ljqh8SxWf6yUzBRUHFHPyDS"
"MS=1C4E80428ECF2197D70E028BF1D5940C53272135"
"google-site-verification=pO7cXCufNSjTBzsdQZDs62zcGtzzTl2GTRnXzwfMDI0"
"cisco-ci-domain-verification=21a19db53c9e0a7ac86466cf36934d275534813c9d6b503210e77f8a0f2583c5"
"_globalsign-domain-verification=95YZs-Lq6mpDrrS5bnsvxSp8Llz8ZsgkwBGGx8RQVh"
"shopify-verification-code=HGUH91nAr57g1menBHV0W5nVPcxtpf"
"google-site-verification=BMRCdiXlqiW_LDDkgi8F1MQJ35elf5mB-bzfB_kz5L4"
"MS=ms78204475"
"anthropic-domain-verification-bqptrp=v9wpfv9cCmays3ssTEFHg501k"
"onetrust-domain-verification=340cbe9c178446e792ce7ec4909e6415"
"v=spf1 ip4:192.87.127.46/32 ip4:192.87.127.47/32 ip4:188.94.250.251/32 ip4:192.87.127.243/32 ip4:192.87.127.244/32 ip4:63.116.214.21/32 ip4:63.116.214.22/32 ip4:195.140.184.0/22 ip4:91.192.40.0/22 ip4:62.50.45.39/32 ip4:199.168.14.54/32 ip4:195.128.10.15/" "32 ip4:195.128.10.18/32 ip4:185.68.136.12/32 ip4:167.89.0.0/17 ip4:195.128.10.23/32 ip4:66.159.232.113/32 ip4:66.159.234.15/32 ip4:195.128.10.24/32 ip4:195.128.10.25/32 ip4:208.117.48.0/20 ip4:50.31.32.0/19 ip4:198.37.144.0/20 ip4:52.43.154.216 ip4:192.17" "4.90.93 ip4:52.41.1.125 ip4:192.174.90.94 ip4:52.34.66.236/32 ip4:94.130.108.177 ip4:192.174.90.92/32 ip4:87.253.232.0/21 ip4:185.189.236.0/22 ip4:185.211.120.0/22 ip4:185.250.236.0/22 include:trustpilotservice.com include:_spf.google.com include:spf-002c" "5801.pphosted.com include:ispgateway.de include:_spf.salesforce.com -all"
"figma-domain-verification=a02807ceec187285dae088008460ab5e258fd494d08ac0c2c56f3739ff32437f-1713256355"
"adobe-idp-site-verification=e7d316e26179ad0d4b3f90cf2a0754eec7efe5ffd4e42fd68fb1bf562238e1e5"
"google-site-verification=2fe0xW_3vftnKKv-JdWQBFoYRev6M4qWsB9-1U9ynFA"
"_globalsign-domain-verification=aQIRcZ4Sa1SmXZlbSPt5QrVI6ozleqa0sPLU-bElLs"
"flexera-domain-verification-chqlciydogcnptaz"
"google-site-verification=XTgDyZkDJhd30u2nxwiNMZ8JQloZa_1moAbqoDOt6Q0"
"globalsign-domain-verification=DxtJ51OaIp87_OgmKu-iPxmFMN4i0CvhJtymIzHDyK"
"extensis-domain-verification=247a2c5e-b2c3-477e-a1a1-69522ce10b98"
"flexera-domain-verification-aeitimdgqbglxtev"
"facebook-domain-verification=1kaxt38kjanljujwoetwnrpbzs1s3r"
"google-site-verification=bnqyk4LPYnvBpjCtyaarHsn1M7JbTrHGogLFoBGr8e4"
"cisco-ci-domain-verification=46aaf2d1013e9a15aae51f1209572e18098496310bde5b4f164f2b1a5f73d5d9"
"deepl-domain-verification=b8faec8a0acd4830a6c745d36a104c04"
"1password-site-verification=UPKRUMKB3RCTJJ7TCUE25ED6LY"
"amazonses:xyoOimFZCMBBHM34oAU0LNs4+K/K4aSLw4fyiE5rlHw="
"docusign=b91742f4-1de7-49c0-8419-c6e7b8df9153"
"v=DMARC1; p=none; pct=100; rua=mailto:re+undujzcqrz6@dmarc.postmarkapp.com; sp=none; aspf=r;"
"canva-site-verification=QMeoXyxix_xid1U4yQwMXA"

NS

6 record(s)

pdns2.ultradns.net.
pdns5.ultradns.info.
pdns4.ultradns.org.
pdns3.ultradns.org.
pdns1.ultradns.net.
pdns6.ultradns.co.uk.

SOA

1 record(s)

pdns1.ultradns.net. hostmaster.springer.com. 2016071897 7200 900 604800 3600

SPF

Configured

v=spf1 ip4:192.87.127.46/32 ip4:192.87.127.47/32 ip4:188.94.250.251/32 ip4:192.87.127.243/32 ip4:192.87.127.244/32 ip4:63.116.214.21/32 ip4:63.116.214.22/32 ip4:195.140.184.0/22 ip4:91.192.40.0/22 ip4:62.50.45.39/32 ip4:199.168.14.54/32 ip4:195.128.10.15/32 ip4:195.128.10.18/32 ip4:185.68.136.12/32 ip4:167.89.0.0/17 ip4:195.128.10.23/32 ip4:66.159.232.113/32 ip4:66.159.234.15/32 ip4:195.128.10.24/32 ip4:195.128.10.25/32 ip4:208.117.48.0/20 ip4:50.31.32.0/19 ip4:198.37.144.0/20 ip4:52.43.154.216 ip4:192.174.90.93 ip4:52.41.1.125 ip4:192.174.90.94 ip4:52.34.66.236/32 ip4:94.130.108.177 ip4:192.174.90.92/32 ip4:87.253.232.0/21 ip4:185.189.236.0/22 ip4:185.211.120.0/22 ip4:185.250.236.0/22 include:trustpilotservice.com include:_spf.google.com include:spf-002c5801.pphosted.com include:ispgateway.de include:_spf.salesforce.com -all

DMARC

Configured

v=DMARC1; p=reject; pct=100; rua=mailto:re+undujzcqrz6@dmarc.postmarkapp.com; sp=none; aspf=r;

DKIM

Selector k2

v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAv2aC2KjGKLOwTweBY5A9RpjsxaBXR9r7OAU6U8/zn92ivImI75naUujWbItRI/QmL1jy5PWGqLwoUA0b90ObWaLDc+i9MtTNmGeWO009hr20fIxhGg6XBT2kjZ1DTThopSe1nAndsupmcBwlQ5Q6LJ+ZAxLcujnPIxM0ZBLmgpkv8u6RfY4eFP8OLvdAW3oSuB0DyLDigQX4Sj8wBO4YIdQH6AAmBeOsidsKAFNFUCpc3vCxtBDR12U+cBg724l3sBkMQ8evnz6idnqxq9QAVYh8k4kJ+RP+6cqTdy7LjIm8xY/bQNpQIpGUAuDo2DjLcCDun9DAI4Q/3z+Q0o9QuQIDAQAB;

Analyzed webpageMetadata and HTTP response

Title and description

Extracted

Title

Client Challenge

Description

Final URL

https://link.springer.com/brands/springer

HTTP status

200

HTTP

Status

HTTP/2 200

Final URL

https://link.springer.com/brands/springer?error=cookies_not_supported&code=03d934a9-7f8a-46b2-aafa-9e6b44ad96e1

Version

Server

Oscar Platform 0.1753.0

X-Powered-By

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available

Yes

Issuer

Let's Encrypt

springer.com

Valid from

2026-06-25T16:06:28-05:00

Valid until

2026-09-23T16:06:27-05:00

Days remaining

Protocol

TLSv1.3

Cipher

TLS_AES_128_GCM_SHA256

Security headers

4 active

✓

HSTSImplemented

✓

Content Security PolicyImplemented

✓

X-Content-Type-OptionsImplemented

✓

X-Frame-OptionsImplemented

—

Referrer PolicyNot detected

—

Permissions PolicyNot detected

—

Cross-Origin-Opener-PolicyNot detected

—

Cross-Origin-Embedder-PolicyNot detected

—

Cross-Origin-Resource-PolicyNot detected

DNS propagationComparison across public resolvers

Public resolver comparison

Review

Differences detected

5 public resolvers queried.

ResolverServerResultLatency

Google

8.8.8.8

146.75.80.95

51,79 ms

Cloudflare

1.1.1.1

146.75.80.95

52,91 ms

Quad9

9.9.9.9

146.75.80.95

57,74 ms

OpenDNS

208.67.222.222

151.101.124.95

35,31 ms

AdGuard

94.140.14.14

199.232.36.95

57,77 ms

IP, geolocation and ASNAssociated network information

146.75.80.95

No data

success

country

region

city

asn

organization

isp

Visitor information

Visitor

216.73.217.62

reverse

country

country_code

region

city

latitude

longitude

isp

organization

asn

timezone

browser

Other

language

user_agent

Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)

is_bot

Yes

cloudflare

SMTPEmail port connectivity

mxb-002c5801.gslb.pphosted.com

Port 25: Closed/unreachable - 28.1 ms - 
Port 465: Closed/unreachable - 131.7 ms - 
Port 587: Closed/unreachable - 104.6 ms -

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