IPv4 Addresses

TTL

IPv6 Addresses

TTL

Name Servers

TTL

Mail Servers

TTL
5m
5m
5m

SOA Details

TTL
SOA Primary NS
5m
SOA Responsible
hostmaster.posteo.de
SOA Serial
1777165252
SOA Times
Refresh 1h
Retry 15m
Expire 7d
Minimum TTL 5m

Certificate Authority Authorization

TTL
CAA
0 iodef mailto:[email protected]
5m
CAA
5m
CAA
0 issuewild d-trust.net
5m
5m

DMARC

TTL
DMARC Policy

Organizational policy (p): how receivers treat mail that fails aligned DMARC checks — none (monitor only), quarantine (often junk), or reject (block).

none quarantine reject
10m
DMARC Subdomain Policy

Subdomain policy (sp): when set, it applies to hostnames below this domain instead of p; if omitted, subdomains inherit the organizational policy.

none quarantine reject
DMARC Percentage

pct: share of mail that gets quarantine/reject; 100 = all failing messages (default).

100
DMARC RUA

Aggregate DMARC reports (ZIP/XML). Optional but recommended for visibility.

No aggregate report URIs (RUA).
DMARC RUF

Forensic (per-failure) reports. Often omitted for privacy or volume.

No forensic report URIs (RUF).

DKIM

TTL

No DKIM TXT with `v=DKIM1` was returned for the selector names we probe automatically.

SPF (Sender Policy Framework)

TTL
SPF SPFv1
Qualifier Mechanism Target / value Valid Details
+ Pass ip4
+ Pass ip6
~ Softfail all
5m

MTA-STS

TTL
v=STSv1; id=20251202110430Z
View
5m

Text Content

TTL
TXT
84944eaf2fa3496cc8b73383c39b0046330432b19e3400ce8c21052b09194db
5m
TXT
e09403217652a8ddff5c9587701e02f9d12b226b6523bcf247aee481d00b4b1
5m

DNSSEC Public Keys

TTL
DNSKEY
257 3 8 AwEAAaf1r7SIqmjxs+kjuXGt/hSwa1IZvMb2ed5zuALoSu80+rAB79lZWSiNCS2Y1MYkIu/OicbRtfV15HEooaeLfduZyFgwWVJK7IgHdqRAkU/2pCuX4arQ8h9SPQLNTccFlH0aP+oAuZPfeCVlqFh0fgMtfPdNOKnk49qClPuND+EWoWsowMyZT4yPF20Uv105tm6A5KRMmK7Lv+pbOZbmCpIfLwmAHcezk+yNq8VF+J0kfzq1NgVt4Pds514x3Q2h8ZI4XkyJll36FwlvGOwZXs477fwsDUT8xMknzCbPY1hCxkRYC8+X+hx6vezsLoSgVctllyS8U0q7MHRMrDPbEhNRcFYDqvxXyLN2hHYOU43WlDKmcUsxIpdwGHh+tg4C/YLsNmWbI19Flf9kGbQqmKDnUkBhbdGcR7RKVaFIfvix
5m
DNSKEY
256 3 8 AwEAAfF+q6BPXteBHRzPhEI3JRznhsI76cql2vfObU1e/EdbWQazph6zsIH4KVAuBJVhotgJCphE0GAzESwG1RjaqNn3ioO8ceHw2OIfsn8eOOyku12+NfSNa2SOfM7c8y5rBaUD8eAfaqxgadL4sNDB9oju9ChA10MkBDONnTdvuCgHDuuqGaIOG+FaBxQAx6Y6LTWmmGmtHoZNi30ubEkzd2JpC1rsn486jTkaf9sb5SLCLRw4vYMdUIMBr0Ldliq/pWWHkkV5I7vOoKj31nQm58165YncHeCG/hPAN+b9iYLqYkfNYB7ahCb82WhEKpw71agcStR0yhFA5BLcf3ywOVs=
5m

Delegation Signer

TTL
DS
53881 8 2 D3D66D1FB310D448224F2C2E8C4F61F55A73674659CA6BF43EDAC921EE40428F
20m

DNSSEC Signatures

TTL
RRSIG
DNSKEY 8 2 300 1778112000 1776297600 53881 posteo.de fFfPIDHlDTsbzYZV45A2KWSUA6cd80kNIjaRcjPBkUy5dNMZs02B3lUtxDv+V3zeV/oYCJYwC981Bt2dH+ZOz77y8xP4qfV5b5AeKa26CrzpXOF4uiLUg6ZIAW01jWAhSwnDCyOmjkWEuHdIrudAlDmxpZ4kDMscnnH+4Wp5S5Dv/RqIhnwSwGGVwAxEfTa/Xju2SEuFtcj3Hc4VM9sO5c8qMxXzL+RRJhsIPKGJ1kilIo6/ihozEhL28iW5wRLVfWshj6Ay7vEHlc4FzfgeMeMVFcsqKqoGAskcBH8grhJJ55wwZgrVgtPi2z6g7ia1wPdMy/vSO0ysqz2cWP1WrBPdq++QwFh/j4X+gmfiez8hp14/TIFySW4iWkwBaKm7H2Kk2ywgcWNj5hUt9Xu/KuB0PDcbOwBFB4K1j5VC7i0=
5m
RRSIG
SOA 8 2 300 1778112000 1776297600 23244 posteo.de 3bfXF0FSzVM8yNW9Xx2qWsvfxeiv4ErPQfInCJ3LxfaZJFC/nnr13V293UVQENRJ7jypRmPhsx6a7uSSwj3rHVTK7POYwwFznrf0QoYhuohy/QbvSRfdAbBLzKD/7dkYCptv5E8eJj5WP8set7RvQ5pnFZMzuHZ3+VnJUM7/FHPbV6xJakkxhq2XOu1/Xv0FgC9Mwk/CB9n5SK200B3rQ+WM5dHeaqkbjrylwY9E6SYqP5RkL4nrTqxvYZNKQItOPov+739o1Ab+sczrff9o/mu+SV0R3oN5UKTv7NO+jb44BGL/4kVDWFOmNNt8BXDqdi8Kwx3+iKZWEhUzqheBoQ==
5m
RRSIG
AAAA 8 2 300 1778112000 1776297600 23244 posteo.de sQkTj/H8gXgFqjPaZgqSkVia/kAY8DVItxklCEGJZFlyx+U4OZ/OBnonX+ujrxsWmAjmbqVHl04z6HNyWuKQTJNmfgDs2gmhAtDhFH8mw31Mlq/UCR1IszhY1aTjaQB4/QEGUcd2r2DxyXJDiKFWZpJcVfIGA331gxMbuK3S4oO5uV6HnBreSoDFdZCROorH0XODkqEXOg8QrJ8q5kiwsNIfsv4BSrR6JIWOs0tW6qKK9J5acBqqeX4KP1COm2vIGW5Tkc72GkqEBdPyFNrAo0w2j6H1Y3oHGA4HXfisUiB/+wSCfwlOjU+fUn4DxypDi+tSVFBN0a8tcVfGYreygw==
5m
RRSIG
TXT 8 2 300 1778112000 1776297600 23244 posteo.de SG+VTPaBNvQqKnAC4iErD8nfchF6kkjwBgT+C6IFEUVa3JISDxVq3RCLz+Suzuw7bDGMHWY8b2Vnv2zmdoTW/T7+UyFt1D6Jkr3pgVd66o7JuYsIuL3dYsK8FvHhwSXvoQp2MHu+CKZMmhigB8RKUBDUNVKTk0BTynx7nclsxgvexbp6NQR/clYpTpxmitZn5dEgpYNO6GQB9PdoHXbDj2ecrFx0h95RPxEfUB2X43y52NljFe3dmnekIHO13heL1ArRsWii+2/G+ZzrtVkLqQmlgjIm2rUo1kZaBLlsRn55eFx3ydi9hZxgJviGJWqRegyKytQZy4oXjtv+voEslQ==
5m
RRSIG
CAA 8 2 300 1778112000 1776297600 23244 posteo.de FvZhuvY5WX7u3scIZhwOYxKz9tfpdf9Mfq+orY2Qrby5yP0kRwMtb65UWcr+dckZKH0kVQcZDjdxEl7HS72P0JGkYMNT7RxcGlLS2ZRNBO5GWwTBIb6t+jjpDi5NRF3H1pXhGOIf4ELlH2++D087xp94oyx8R7FJWDlNFx5XCDL2mbEVzoG6rg3RS//S1jvJtcph8CwBh/jplXQ+iLGuThpn407cFBc7sKwD+wl6q3upDe2/U8sM3qXF9Zm4zGiVeumy0QFugSX35nC8XfY3/C73vFgnmuSWEgp8OB4Pjzv9bOC1JBVloT8X2JEp13SRZgWtY+6r3V8bPYmy3JTVew==
5m
RRSIG
NS 8 2 300 1778112000 1776297600 23244 posteo.de KDLly9oR1I2/NGRIJRUyaUHLDplbxvZRl2BvurXVIZsJtW9eNDTEGKB1LNOQRP6nnwaWlj8VdsbbZiWX0QzzSvqbOl/8xAVJv7QNAenJOYu/LaYu1q5kuZpNgin5loaNMi9ENPhC/CH26O/BsiF/lNsPxp6bGSUC5cTkUjtgqmEdUi519poBgxD/W68u3bUtJPOsqtWxidXiybkINxAxm8esWJ4mtiWxxJgco/sC/YBE9zOfzOE3fqGDcKlrXJm3r5duOZgtoEsPRECLtPEJbopWd8sYy49jiyMT0cDoprXs+LtsXk9QfxeHuUCMxTJuB98NwaQ7g6o9BTVwktnCJA==
5m
RRSIG
MX 8 2 300 1778112000 1776297600 23244 posteo.de OaES7lantMepm1CB/7Nwa+lMhbS/Iewg6LqdnyvvJe7YyTCzHmLvNt8sDPpexCxADEjE2R4yo153naURJvzff2OFGnvO6UnL4wG7yk4H/qxHXC5S1x6wO6zvv998ZgQ5PsZR9L5TfY/CFiElP7Mx+srp7tMscZbW9Pa8Qu+qFJDVeYLpWlENgRL9XljCgxfItfBOpA0jEfnhzookWmEejxEQnnH47++rEvG4utiYfu0cssFI/3Xd059ZtKGfxhTxG1OdvSGh9FZknb9f2+JFkNSozFBjL4F1N2kUyaHysAhQfAufNQ4+JRHRS35ab5ni4cYa3/HbAgwSbWY6aNooHQ==
5m
RRSIG
A 8 2 300 1778112000 1776297600 23244 posteo.de v36jmaDurjbpFTAbKJ7DU5p/3f3CcrVq0VN9lhsf8ysmKvIhEOOWPLjnGtTVGppbwVBV1xmJKhvLGDVitbDKQ3H72ZD+NMGP1qQTCaOJzJxDpGfhG805giEovWpy90VKuEcYH9b5lUomwAwCqYWLa0fb4X0Y5uot0FnRUVtS2LHGq9hZichNDvgAD3daG0yxupjrhIk35kpUaim9nc9w14rpnVZC++bcPrk+qJavCD9nqPpX6go342RKXAD5HORxjqj1/5BPj3ghH3yrtfKTO7fn+DWcPP9mWd8asWOpODwzuIdZGgF6MQArj8p4Nulqk/+XperF3mUpm4dBM26MEQ==
5m
RRSIG
TYPE51 8 2 300 1778112000 1776297600 23244 posteo.de rxxYnmylAxOuv+k8rA4u3+A8RvPFfaztadvJBD3SW8OZfFc7l3yNDJLqGU/DqFOGgrg84uOmJh77dn++qtdZTuNlhTzhrDORC6XXFB3l1LL/6tFoKulWhYRBJvcH7h+txqGS53Eah26I6zlATJ7sZsdNh/Yj6z+VzdkLIDoBHpvLaHseTRnXXP1DvnpueLzeC40i+32RAOukzpopkpw55CpTe9ev+vWuv6BZex6AMcwUpMJaAwjtvnaSIfKDQBZ1Wi8WW+s0RGP6k8g8FcaTnOHarB8a6a4uGU+xxhzRO/oyOtvK9U+Spwui+xFOTdKriYNhrLVNUoUt/0Sp1gCoMg==
5m