Domain technical report
Southwest Airlines | Airline Tickets and Low Fares
southwest.com
Find low fares to top destinations and plan your travel today. Book Southwest flights, rental cars, and hotels on southwest.com.
IPv42
IPv60
MX2
NS2
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82
Total
70
DNS
90
Email
77
Security
65
Network
100
Availability
Domainsouthwest.com
IPv42
IPv60
MX records2
StatusActive
DiagnosticsMain findings and recommendations
IPv4 (A)30 / 30 pts · Dns
2 IPv4 address(es) detected.
IPv6 (AAAA)0 / 10 pts · Dns
0 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
159 day(s) remaining.
Certificate lifetime10 / 10 pts · Security
Full points require at least 30 days remaining.
HTTP security headers12 / 35 pts · Security
3 of 9 evaluated headers detected.
PTR reverse DNS30 / 30 pts · Network
PTR: rdr-w21.southwest.com
IPv4 diversity35 / 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
2 record(s)208.94.155.99 66.150.1.229
AAAA
0 record(s)—
Not configured
CNAME
0 record(s)—
Not configured
MX
2 record(s)10 outgoing.wnco.com. 10 mail02.wnco.com.
TXT
10 record(s)"pardot886213=5f9176871506272b28c41f1ddffd6a99f50aae6f7c1540d03a7e4474746e820f" "identrust_validate=fXNA1Qb3CuyBMtCOpRZyaKbIaisaX1CBZMlJX+K8Q2KE" "_4euyjhh2akthszptxyklufk2g4nm1jj" "identrust_validate=BvULH7j+tFTCcJxzas5YCHn9MFM82G99zGdJ3Nx7OIJy" "v=spf1 include:luv.southwest.com include:spf.messagelabs.com include:cmail1.com include:amadeus.com ~all" "klaviyo-site-verification=TvuiSP" "apple-domain-verification=AVqb7df_lh4ZY0IFN-xHTHCQfzRorhFBV0YJIEi3dMk" "tsktdktn7wq710fh3lqrrx391kfjwv0y" "_xpn3qn98olo03xr8hj4zxmc12tab31i" "facebook-domain-verification=5tg9b0fpw4l87zy4ga4hqxzrgjnbu7"
NS
2 record(s)ns-w21.southwest.com. ns-w11.southwest.com.
SOA
1 record(s)sdcscadnsgmavip.swacorp.com. domainrequest.wnco.com. 1666 10800 3600 2419200 900
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:luv.southwest.com include:spf.messagelabs.com include:cmail1.com include:amadeus.com ~all
DMARC
Configuredv=DMARC1; p=reject; rua=mailto:dmarc_rua@emaildefense.proofpoint.com,mailto:dmarc_agg@dmarc.everest.email; ruf=mailto:dmarc_ruf@emaildefense.proofpoint.com,mailto:dmarc_fr@dmarc.everest.email;fo=1
DKIM
Selector s1k=rsa; t=s; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA+ELs45/6xFZS7pcguWN1xP0v/PI2c7iqKGJ8UHKmVx18RIk/NKV3SEZ0UAblQ5UDtG3UMbyxvCq4B7D6zy1ww/tKVeucPtKi/upghAiJTJb3wCfq7MkgFZZsdNhuxCPiVSmrbjdoYcME68Q5zInZMJWX9hB13nTIp7o3fuSJg+Gxg8kyow6XTH4BrUu/k/sCKUOuQLjz2VE83hsJTKMjyAsbPuaIwHQbUAh+nnKG3TN2Dx4DCrKHMmD1iyBZ48sRbczzPHy9E/Yl2JFZR/8Gjv4QaYZ/EZuqSo08egPNItkz8JRxFH47KDN5B5qwzyzF7qH5ZuMr4fgkkT8PgIiWkQIDAQAB
Analyzed webpageMetadata and HTTP response
Title and description
ExtractedTitle
Southwest Airlines | Airline Tickets and Low Fares
Description
Find low fares to top destinations and plan your travel today. Book Southwest flights, rental cars, and hotels on southwest.com.
Final URL
https://www.southwest.com/
HTTP status
206
HTTP
Status
HTTP/2 200
Final URL
https://www.southwest.com/
Version
3
Server
BigIP
X-Powered-By
SSL and HTTP securityCertificate, protocol and security headers
SSL certificate
AvailableAvailable
Yes
Issuer
IdenTrust
CN
www.southwest.com
Valid from
2026-06-30T10:02:11-05:00
Valid until
2027-01-15T09:01:11-06:00
Days remaining
159
Protocol
TLSv1.2
Cipher
ECDHE-RSA-AES128-GCM-SHA256
Security headers
3 activeHSTSImplemented
Content Security PolicyImplemented
X-Content-Type-OptionsImplemented
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
8.8.8.8208.94.155.99, 66.150.1.229
34,95 ms
Cloudflare
1.1.1.1208.94.155.99, 66.150.1.229
19,26 ms
Quad9
9.9.9.9208.94.155.99, 66.150.1.229
37,34 ms
OpenDNS
208.67.222.222208.94.155.99, 66.150.1.229
55,51 ms
AdGuard
94.140.14.14208.94.155.99, 66.150.1.229
131,85 ms
IP, geolocation and ASNAssociated network information
208.94.155.99
No datasuccess
No
country
region
city
asn
organization
isp
66.150.1.229
No datasuccess
No
country
region
city
asn
organization
isp
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
outgoing.wnco.com
Port 25: Closed/unreachable - 30.1 ms - Port 465: Closed/unreachable - 4020.7 ms - Port 587: Closed/unreachable - 4046.5 ms -