Domain technical report
centurylink.com
centurylink.com
IPv40
IPv62
MX2
NS2
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63
Total
50
DNS
90
Email
65
Security
35
Network
60
Availability
Domaincenturylink.com
IPv40
IPv62
MX records2
StatusActive
DiagnosticsMain findings and recommendations
IPv4 (A)0 / 30 pts · Dns
0 IPv4 address(es) detected.
IPv6 (AAAA)10 / 10 pts · Dns
2 IPv6 address(es) detected.
Name server redundancy20 / 20 pts · Dns
2 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 propagation10 / 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
204 day(s) remaining.
Certificate lifetime10 / 10 pts · Security
Full points require at least 30 days remaining.
HTTP security headers0 / 35 pts · Security
0 of 9 evaluated headers detected.
PTR reverse DNS0 / 30 pts · Network
PTR not detected.
IPv4 diversity0 / 35 pts · Network
Two or more IPv4 addresses receive full points.
IPv6 connectivity35 / 35 pts · Network
AAAA availability.
DNS resolution40 / 40 pts · Availability
At least one address family must resolve.
HTTP response0 / 40 pts · Availability
No successful HTTP response.
HTTPS final URL20 / 20 pts · Availability
Final URL uses HTTPS.
DNS and emailPublished records and email configuration
A
0 record(s)—
Not configured
AAAA
2 record(s)2001:428:b21:16:155:70:66:11 2001:428:b20:16:155:70:118:11
CNAME
0 record(s)—
Not configured
MX
2 record(s)10 mxa-007e5801.gslb.pphosted.com. 10 mxb-007e5801.gslb.pphosted.com.
TXT
24 record(s)"_yq9l2feckqku9yfzn1wpn5wqik2bdg3"
"google-site-verification=eKuWhd04Pr_SAwILUDL0ef8SRlCXE9JPI27hW2m6AcQ"
"atlassian-domain-verification=B9cb38vQ0e4rN5v0/k2Q1/I4Wf48LlXj5QSIkboheSGYbGS+KcokpAfG1n3Ez7Vl"
"google-site-verification=8kk_hc4rNlCcgObCpJ4Tq_zMBFdcqhHcqm-MshnTrF8"
"MS=ms15583092"
"J6D1LApuV7QUcQwp3V8eOuaC8Nx0DiIure3ZA0Q3MKcNb2YwvaiFHH4RmPMYcRBN+KacuvQTgj6Gl2VcciqQsw=="
"v=spf1 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com include:_spf.salesforce.com ~all"
"r/fkU3trSEM8+QCJMOPhfiurFTDtXgrev7XXG6p4U7ew81OoInYwNabmKBXweE+7yZDnAenBJ55qVL7MYOLlmw=="
"apple-domain-verification=ynfOI0LBhiDkUkz0"
"ciscocidomainverification=491264f86a435b40ecf5b45fe696520f1fea0d74e6d802c6bfa8f88dd1c42876"
"_etait8chbnpqdd4zrjdyphetijy51vm"
"google-site-verification=eUM7qVFcN09vmV8uDgpUgqTODo622w1fBSjXjEp_tk4"
"google-site-verification=pkDDhldI-SOaYp-udnFsIEtZuYWSnoRBSYpT_h_AKTA"
"google-site-verification=qH2dld9b3rGjMGkhfFqe25p23wXfrZBDPh1ej8i1ZBM"
"facebook-domain-verification=oz54xjolrdi9w3io124i8sgxvr5qa3"
"adobe-idp-site-verification=433cdb79da22d958ed93f9cff11b5eeb637b78254e376e8a4c2e53b1f78f952c"
"_f7sz901c59paxpgyje5cjizhulk8e50"
"citrix.mobile.ads.otp=uwyegxiq71vl4t43ndh0kerk"
"adobe-sign-verification=6ab640d036282542165a7b71b870628"
"miro-verification=1a7b8a6cc4dfc40c718fa9a98e29fb06d4f8a63a"
"ibmid=17c9cbbe-1b1d-470e-a46c-0bf565d84599"
"ciscocidomainverification=1b40d6ea93827771ccd6884270921863507f03068795e8ffb675ca727d777843"
"6RF75J197YNY1COZ4J13C5PK02SW2QVWKP51S5C1"
"atlassian-domain-verification=F6OBkgGxZofmw0qMxtQjV7RhIfcbOt3ldwp6I4RTYRPqcPQGtiflmCpoFvUrELh2"NS
2 record(s)authns2.qwest.net. authns1.qwest.net.
SOA
1 record(s)authns1.qwest.net. abuse.aup.lumen.com. 2260807000 900 300 604800 300
CAA
0 record(s)—
Not configured
DS
0 record(s)—
Not configured
DNSKEY
0 record(s)—
Not configured
RRSIG
0 record(s)—
Not configured
NSEC
0 record(s)—
Not configured
NSEC3
0 record(s)—
Not configured
SRV
0 record(s)—
Not configured
NAPTR
0 record(s)—
Not configured
TLSA
0 record(s)—
Not configured
SSHFP
0 record(s)—
Not configured
SPF
Configuredv=spf1 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com include:_spf.salesforce.com ~allDMARC
Configuredv=DMARC1; p=reject; fo=1; rua=mailto:dmarc_rua@emaildefense.proofpoint.com; ruf=mailto:dmarc_ruf@emaildefense.proofpoint.com
DKIM
Selector defaultp=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCWe7QZ3Z/NvtnCAxaiSd1Liyr00WMEKpB0+ZaHBiAirXYGtrQifWUmpeks74yxgNDVBlkPNPNYmfWTxKBZohtHFS89/CNsWDdA+9lf3TLW/NTXKkxBHdytlNvkkSJoJGYY6X0C+N//m+KYyutvOOCSwXNgl53NV1n+d7dhlrBunwIDAQAB
Analyzed webpageMetadata and HTTP response
Title and description
No dataTitle
Description
Final URL
https://centurylink.com/
HTTP status
HTTP
Status
Final URL
https://www.centurylink.com/
Version
2
Server
X-Powered-By
SSL and HTTP securityCertificate, protocol and security headers
SSL certificate
AvailableAvailable
Yes
Issuer
DigiCert Inc
CN
www.centurylink.com
Valid from
2026-02-12T18:00:00-06:00
Valid until
2027-03-02T17:59:59-06:00
Days remaining
204
Protocol
TLSv1.3
Cipher
TLS_AES_256_GCM_SHA384
Security headers
0 activeHSTSNot detected
Content Security PolicyNot detected
X-Content-Type-OptionsNot detected
X-Frame-OptionsNot detected
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
ConsistentConsistent propagation
5 public resolvers queried.
ResolverServerResultLatency
Google
8.8.8.8155.70.44.25, 155.70.55.25
56,20 ms
Cloudflare
1.1.1.1155.70.44.25, 155.70.55.25
48,68 ms
Quad9
9.9.9.9155.70.44.25, 155.70.55.25
48,10 ms
OpenDNS
208.67.222.222155.70.44.25, 155.70.55.25
53,96 ms
AdGuard
94.140.14.14155.70.44.25, 155.70.55.25
93,14 ms
IP, geolocation and ASNAssociated network information
Visitor information
Visitorip
216.73.217.62
reverse
country
country_code
region
city
latitude
longitude
isp
organization
asn
timezone
browser
Other
os
Other
language
user_agent
Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)
is_bot
Yes
cloudflare
No
SMTPEmail port connectivity
mxa-007e5801.gslb.pphosted.com
Port 25: Closed/unreachable - 50.4 ms - Port 465: Closed/unreachable - 71.3 ms - Port 587: Closed/unreachable - 49.2 ms -