Name Servers
t-systems-service.com. 1200 IN NS pdns109.ultradns.biz. t-systems-service.com. 1200 IN NS pdns109.ultradns.com. t-systems-service.com. 1200 IN NS pdns109.ultradns.net. t-systems-service.com. 1200 IN NS pdns109.ultradns.org.
Mail Servers
t-systems-service.com. 600 IN MX 10 mx-01.mail-forwarder.io.
SOA Details
t-systems-service.com. 1200 IN SOA pdns109.ultradns.com. tech.brandshelter.com. 2021061220 3600 600 604800 1800
Certificate Authority Authorization
No CAA records were returned at this registrable domain name. With no CAA policy, any public certificate authority (CA) may issue TLS certificates for names under this zone unless a parent publishes CAA; add issue / issuewild / iodef records to restrict issuance.
DMARC
Organizational policy (p): how receivers treat mail that fails aligned DMARC checks — none (monitor only), quarantine (often junk), or reject (block).
pct: share of mail that gets quarantine/reject; 100 = all failing messages (default).
100Aggregate DMARC reports (ZIP/XML). Optional but recommended for visibility.
Forensic (per-failure) reports. Often omitted for privacy or volume.
t-systems-service.com. 1200 IN DMARC v=DMARC1;p=none;rua=mailto:[email protected];ruf=mailto:[email protected];
DKIM
No DKIM TXT with `v=DKIM1` was returned for the selector names we probe automatically.
SPF (Sender Policy Framework)
No SPF TXT record was returned (`v=spf1` / `spf2.0/`). SPF tells receivers which hosts may send mail for this domain; without it, aligned DMARC and spoofing defenses are weaker.
MTA-STS
This hostname does not publish an MTA-STS policy (no v=STSv1 TXT at _mta-sts.<name> and/or no policy at https://mta-sts.<name>/.well-known/mta-sts.txt).
DNSSEC Public Keys
t-systems-service.com. 1200 IN DNSKEY 257 3 13 4op4ZM/iBrEgnVF2afErsAX3IzukLvRTBzB351/SxMOoDgqja1J6inFI642/3YrjudhsTfwATVI2OPpqC+Kwjw== t-systems-service.com. 1200 IN DNSKEY 256 3 13 1wZsiDJ6ZbxRatSM6D+MPNoYsHjlSwWGTpveLLgVWbo9ty+I18fzm2dVCkJ7pe3c9T9oPdoVy4Ko499z2b5QMg==
Delegation Signer
t-systems-service.com. 1200 IN DS 16221 13 2 07F0174E4B3301BDF9931F00DD90077FC7BF6BD37F47781EB507E8BE71B597D9
DNSSEC Signatures
t-systems-service.com. 1200 IN RRSIG A 13 2 21600 1786750256 1785540656 63325 t-systems-service.com GvQ/0QxwhziIEISfudqEBHzCOacCrJHTUGQa+3fZ9fDFJ/ynGVbpl/Lfgr32RcV58khoaq0jdmNrTciXBTn8IQ== t-systems-service.com. 1200 IN RRSIG NS 13 2 21600 1786750256 1785540656 63325 t-systems-service.com FV3EHPPJeRNyzLb6KvVATnuuuTtOAhvwS5oEEn46MmuNqTRoSMERAn/Iv/ZJZOjl76horQLtthN0FNmAbBvhlw== t-systems-service.com. 1200 IN RRSIG SOA 13 2 21600 1786750256 1785540656 63325 t-systems-service.com fdwUi1VjhbD69RQmUhlScgsX3XotkmXzYREzOF2VZMvGZZPE2BxXjDoLGl6WEei6Ype1EnfkzOPwu1n9kVnx+Q== t-systems-service.com. 600 IN RRSIG MX 13 2 600 1786750256 1785540656 63325 t-systems-service.com 8lym8MvH9bznXTBbmIm8sopWslnL/s8OGq1F/XarF09tqxg6+Qeg+Nqwqr8NPtdk6s6n114tC0WUB+yuccEqeg== t-systems-service.com. 1200 IN RRSIG TXT 13 2 21600 1786750256 1785540656 63325 t-systems-service.com 0ffJhKXIaylgV3OjhugDeqO0I3iwK99XyE24Qnai/ZVq6ZvG5L/l3akGmc/hO6GLUq19vG39U2isxK98sMWkFw== t-systems-service.com. 1200 IN RRSIG DNSKEY 13 2 86400 1786750256 1785540656 16221 t-systems-service.com ueOUCxe0TZxUnLGmnMwkkv45xqxvCe21E/t41AIamIx1XhU0XtBG7/pYssluOkHJWVkV/nDnQ/PR3q0QDpSAqw==