syngre.dk

📜 Historical scan 2026-06-21 16:36:32  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

syngre.dk is a .dk domain served by 2 nameservers (jocelyn.ns.cloudflare.com, norman.ns.cloudflare.com). It was registered on 3 May 2005 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.64.228 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx1.smtp.goog, mx2.smtp.goog and 2 more. The zone is DNSSEC-signed and validates, publishes a DMARC policy and is reachable over IPv6. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records   35ms
NameserverIP addressesPTRASN / ISP
jocelyn.ns.cloudflare.com 108.162.192.174
172.64.32.174
173.245.58.174
2606:4700:50::adf5:3aae
2803:f800:50::6ca2:c0ae
2a06:98c1:50::ac40:20ae		 jocelyn.ns.cloudflare.com
jocelyn.ns.cloudflare.com
jocelyn.ns.cloudflare.com
jocelyn.ns.cloudflare.com
jocelyn.ns.cloudflare.com
jocelyn.ns.cloudflare.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
norman.ns.cloudflare.com 108.162.193.217
172.64.33.217
173.245.59.217
2606:4700:58::adf5:3bd9
2803:f800:50::6ca2:c1d9
2a06:98c1:50::ac40:21d9		 norman.ns.cloudflare.com
norman.ns.cloudflare.com
norman.ns.cloudflare.com
norman.ns.cloudflare.com
norman.ns.cloudflare.com
norman.ns.cloudflare.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.

🌍 A Records#

2 records   45ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.64.228 600s — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.156.64 600s — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —

📧 MX Records#

4 records   40ms
PriorityTTLMail ServerIP addressesPTRASN
10 600s mx1.smtp.goog 2001:4860:4802:32::97
216.239.32.151		 —
—		 AS15169 Google LLC
AS15169 Google LLC
20 600s mx2.smtp.goog 2001:4860:4802:34::97
216.239.34.151		 —
—		 AS15169 Google LLC
AS15169 Google LLC
30 600s mx3.smtp.goog 2001:4860:4802:36::97
216.239.36.151		 —
—		 AS15169 Google LLC
AS15169 Google LLC
40 600s mx4.smtp.goog 2001:4860:4802:38::97
216.239.38.151		 —
—		 AS15169 Google LLC
AS15169 Google LLC

🔷 AAAA Records (IPv6)#

2 records   36ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2606:4700:3031::6815:40e4 600s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —
2606:4700:3032::ac43:9c40 600s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —

🔐 HTTPS Records#

1 records   39ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.64.228,172.67.156.64 ech=AEX+DQBBdAAgACAEgvEx+AW71RLjCAVgiI2Bmju1mwSeR180xxtV+RitAwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:40e4,2606:4700:3032::ac43:9c40

📝 TXT Records#

3 records   252ms
TXT Record
\226\128\156google-site-verification=pddpR_xk82UH83G0O6f2W-ge_sRlHbv8CYVANmeBHh8\226\128\157
openai-domain-verification=dv-ozZGqbSjo50hKK6BOHCAeXrz
v=spf1 include:_spf.google.com ~all

✉️ SPF#

PolicyRecord (syngre.dk)
~all (soft fail) v=spf1 include:_spf.google.com ~all

📨 DMARC#

PolicyRecord (_dmarc.syngre.dk)
p=reject v=DMARC1; p=reject; sp=reject; rua=mailto:5tys7i2z@ag.eu.dmarcian.com,mailto:report.dmarc@syngre.dk; ruf=mailto:5tys7i2z@fr.eu.dmarcian.com,mailto:report.dmarc@syngre.dk;

📬 MTA-STS#

144ms
CheckResult
Status🔒 Enforce
TXT record (_mta-sts)✓ Found
HTTPS policy✓ Valid
Modeenforce
Policy ID20210524164546DK
max_age2419200s
Policy MXmx1.smtp.goog, mx2.smtp.goog, mx3.smtp.goog, mx4.smtp.goog, *.google.com

📈 TLSRPT#

StatusReport address (rua)
✓ Enabled mailto:5tys7i2z@tls.eu.dmarcian.com, mailto:report.smtp-tls@syngre.dk

📜 CAA Records#

12 records   36ms
FlagsTagValue
0 iodef mailto:report.caa@syngre.dk
0 issue comodoca.com
0 issue digicert.com; cansignhttpexchanges=yes
0 issue letsencrypt.org
0 issue pki.goog; cansignhttpexchanges=yes
0 issue sectigo.com
0 issue ssl.com
0 issuewild comodoca.com
0 issuewild digicert.com; cansignhttpexchanges=yes
0 issuewild letsencrypt.org
0 issuewild pki.goog; cansignhttpexchanges=yes
0 issuewild ssl.com

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-22 22:14:44
www46.183.138.100 (AS47292) (address records, no CNAME)
www vs bare domainSame network
syngre.dk: 46.183.138.100 (AS47292)
www.syngre.dk: 46.183.138.100 (AS47292)
WildcardNo
Denial of existenceCompact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEYPublished: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

✍️ DKIM keys#

1 found
SelectorCNAMEKey
google — RSA · ~2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

67ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

61ms
FieldValue
Serial2407064604
Primary NS (MNAME)jocelyn.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-10 10:48:53
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2005-05-03
Expires2036-05-31 (3503d)
📋 WHOIS#

⏱️ Lookup Timing#

NS
35ms
A
45ms
MX
40ms
AAAA
36ms
TXT
252ms
CAA
36ms
HTTPS
39ms
TLSA
274ms
SOA
61ms
MTA-STS
144ms
DNSSEC
67ms
SRV
72ms
Total
1387ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-22 22:14:44 1074ms 2 NS 1 A 4 MX 🔒 Secure
2026-10-22 20:23:30 2870ms 2 NS 1 A 4 MX 🔒 Secure
2026-10-14 15:36:51 1400ms 2 NS 1 A 4 MX 🔒 Secure
2026-09-30 22:15:58 1855ms 2 NS 1 A 4 MX 🔒 Secure
2026-09-29 08:34:02 2034ms 2 NS 1 A 4 MX 🔒 Secure
2026-09-25 07:17:22 3984ms 2 NS 1 A 4 MX 🔒 Secure
2026-09-24 15:53:41 1685ms 2 NS 1 A 4 MX 🔒 Secure
2026-09-23 15:24:20 1242ms 2 NS 1 A 4 MX 🔒 Secure
2026-09-21 07:21:51 2588ms 2 NS 1 A 4 MX 🔒 Secure
2026-08-27 14:10:02 1293ms 2 NS 2 A 4 MX 🔒 Secure
2026-08-20 15:24:33 10581ms 2 NS 2 A 4 MX 🔒 Secure
2026-08-04 02:25:50 2782ms 2 NS 2 A 4 MX 🔒 Secure
2026-08-01 17:25:48 9353ms 2 NS 2 A 4 MX 🔒 Secure
2026-07-25 13:28:01 2013ms 2 NS 2 A 4 MX 🔒 Secure
2026-07-15 08:26:20 9974ms 2 NS 2 A 4 MX 🔒 Secure
2026-07-10 15:24:07 3691ms 2 NS 2 A 4 MX 🔒 Secure
2026-06-30 16:53:26 1656ms 2 NS 2 A 4 MX 🔒 Secure
2026-06-21 16:36:32 shown 1387ms 2 NS 2 A 4 MX 🔒 Secure
2026-06-21 08:18:17 1180ms 0 NS 0 A 0 MX ❓ Unknown
2026-06-17 12:16:56 3775ms 2 NS 2 A 4 MX 🔒 Secure
dhd.dk [/] search Domains, Hosts & DNS — .dk zone